Jaguar v12 ecu. Great deals. On the V12 this is controlled by the ECU, which triggers the fuel relay at initial ign ‘on’ - by grounding the orange wire which goes to the ECU from fuel relay ‘85’, for 2 seconds. 3 V12 Engine ECU 16CU Control Unit DAC6338 7 Genuine Jaguar Engine ECU DAC6338 Lucas 84788D, 16CU for XJS V12 cars without catalyst from VIN157115 will also fit Series 3 cars XJ12. 3 displacements, chevy rods, etc. PLUMSTEAD AVE, LANSDOWNE PA 19050 YOU ARE BIDDING ON A 1982-1989 JAGUAR XJS V12 FUEL INJECTION ECU CONTROL MODULE GENUINE OEM PART IN GUARANTEED WORKING PRE OWNED CONDITION REMOVED FROM A WRECKED XJS MANY YEARS AGO MATCH YOUR PART NUMBER TO ONE OF THE FOLLOWING: DAC3586 DAC4118 DAC4585 DAC6335 LRZ119A WE WILL WARRANTY FOR 90 DAYS. 3 litre – 86 87 88 89 1986 1987 1988 1989 83706-A DAC 2597 DAC 3586 Up for sale is a Working, in excellent condition Jaguar V12 ECU. fuel ratio; got worried by pinging and stopped there). I am hoping it is a minor adjustment for idle mixture, but not sure. This from a 95 XJ12 V12 Jaguar. The book is written as a primer on EFI in general, but since Bywater's Nov 6, 2019 · The one to the ECU has a blade connector. The following is how why I am asking: My 96 XJS was running perfect, until I decided to clean the engine bay due to a previous owner installing a new valve gasket poorly. Rotating throttle to full gives no Shop ECUs & Computer Modules for Jaguar XJ12 with eBay Guaranteed Fit. 0 V12 ECU LNA1410EC. 3 with stand alone ecu So that is old hat next is engine most important thing So where do we go ? Fuel expensive v12 loves it Performance not good for Jul 7, 2008 · Could someone send me a link or where to get a diagram of the vacuum lines for my 90 V12 XJS? Thanks Tim Johnson Frederick Maryland. Whether you have an XK120, 140, 150, Mark X, Sedan, XJ6, XJ12, X300, X308, XJ8 or XJS, I have both Used, New and New Jaguar ECU XJS HE V12 5. The car was already slightly modified by the previous owner with widened fenders and 8X16 Remotec wheels. Done a visual on ecu and tested for power and grounds. I wanted to implement a Megasquirt-2 on the V12, for spark and fuel, but MS-2 could then not have 6 ignition outputs (now it can). I look to the forum with its knowledge and guide me in the right direction. We have completely dismantled the upper parts of the engine,ie; intake mani’s , all hoses, rad, and front brake system ,etc. Apr 7, 2005 · First, What is the ECU Adjustment for? The ECU adjustment changes the base fuel mapping. Technically, you have 50 combinations, statistically, and with consideration of above drawings/fact tha pipes are shape-bent, you should be able to guess it after 20 attempts… Find many great new & used options and get the best deals for JAGUAR 1992 XJS V12 DAC 9628/R ENGINE COMPUTER CONTROL MODULE ECU ECM PCM at the best online prices at eBay! Free shipping for many products! Jaguar XJS XJ40 XJ81 6. For 17 years, Jaguar was the only company in the world consistently producing luxury four-door saloons with a V12 engine. I found two pre HE parts cars and was able to cobble together the parts I needed to run it on the original FI system. 5, 3. 3 and 6 litre. Sep 17, 2001 · Hello listers, The Jaguar 6. Options available like trigger sensor bracket for pre Marelli engines, […] Jun 4, 2020 · Unlike the Lucas and Marelli set ups the Zytek system was an integrated unit, controlling both fuel and ignition. I am just setting up a Link G4 Xtreme on my V12 engine and have a few questions about the group fire options. There are essentially 2 variants of the Jaguar V12 engine with respect to the cylinder head/combustion chamber design. I drove it 1800 miles home just prior to the May 26, 2016 · I have read lots of threads and posts on performance upgrades on the V12, and all of them seem to have spun off on tangents at some point regarding 4-valve heads, mixing HE block with flat heads, turbo charging, 7. As you probably already know, Roger undertakes ECU repairs as well as ECU modifications. It was good enough to power Tom Walkinshaw's Le Mans winning Jaguar V12 cars in the late 1980s and early 1990s, also the XJ220. ’’ I’ve been considering an engine management system on my V12. May 16, 2024 · Hi, I am working on 1975 v12 jaguar . Mar 23, 2021 · I guess you answered your question about whether the ECU mod would fix your drivability problems. And Ford Zetec as well. However, if you want to do semi-sequential fuel injection and wasted spark you can use high impedance injectors and logic level COPs or CNPs with an MS3/MS3x setup and you won't need any benefits of sequential injection with four groups of three injectors - because that’s what the Jaguar V12 is wired for to begin with, although they get grouped into two groups of six within the ECU itself. So I registred today ! I have in the garage a XJS V12 from 1988. Before to put her back on the road, there was a lot of work to do that didn’t give Jan 10, 2009 · My ECU has failed. The insurance company totaled it because if this. 3 KBytes yEnc Over 5 Million posted photos. i was trying to get it off d2jsp but accnt got suspended Photo Title 2011-Jaguar_e-type-speedster-eagle_011. 0 manifold and enlarged throttle bodies. With wideband o2 Lambda sensor for closed loop control. Oct 23, 2017 · The leads coming out of the ballast provide the RPM signal to the ECU for the fuel injection, and testing with my multi-meter I believe it's just an AC signal that increases with RPM but I didn't actually hook it up to a scope to see what the signal looks like. The name is derived from the method of operation, i. The ECU still works great! It is a lucas unit, These I’m trying to determine if my MAP sensor or full load vacuum switch, the one behind the air filter box on the passenger bank is functioning properly? When I suck through the air hose leading to it, air leaks through the sensor itself, is this normal? US Spec V12 This is the vacuum switch for the full fuel load enrichment. HOW TO CONVERT A V12 E-TYPE to FUEL INJECTION. Jaguar never intended that their V12 power unit should be fueled other than by electronic injection but the proposed AE Brico system (also under development for the Aston Martin DB6 and the Ferrari Dino) was cancelled at a very late stage. By plugging in a donor ECU,the car runs fine. 3 V12. This car is the best spec you can get with fresh 390 hp engine, fresh brakes, beautiful body, excellent paint. You will need to scrape off a bit of insulation, or get some insulation piercing probes, or otherwise get A practical guide covering how to convert a V12 E Type to fuel injection. DBC 12473) If anyone does would they be able to email it to me - I would be greatly appreciated. Is it possible to set it up to group fire 2 cylinders at a time? There are enough channels for this but I cannot see an Home of the Emerald K6 aftermarket standalone ECU (Engine Control Unit) or EMS (Engine Management System)! Emerald K6 ECU is fully user manageable through our easy-to-use software. Right now the stock ECU is running simply off basically a tach signal from the ignition module and MAP, it has no idea which piston is firing, only how Dec 27, 2009 · V12-Engine zsu23 (zsu23) December 27, 2009, 5:09am 1 New to the site. with V-12 that has a Keisler 5 spd Manual Transmission Kit. I have heard that tha later Apr 7, 2005 · Vacuum routeing diagrams for the Jaguar V-12 fuel injected engines In order to determine how my ECU fuel/air mixture is currently set, can somebody please let me know which direction richens/leans it? PO set the mixture as far CLOCKWISE as it can go. The possibilities are endless, I’m sure, but for us who would like a little bit more power to our early carbed V12s (with 7. Complete Injection kit, full digital engine control for the 1981 to 1988 P-Digital Jaguar V12 The kit comes with everything you need to make your HE V12 run like intended from Jaguar The ECU has full control of fuel and ignition map so the original vacuum lines and system can be dismanteled. E-Type UK specialises in V12 and XK fuel injection systems for Jaguar E-Types. I have power across both terminals on the injectors. I am looking for a wiring diagram with all Find many great new & used options and get the best deals for Jaguar XJS ECU V12 Engine Fuel Control Unit Module DAC 3062 Lucas 6cu 83705b at the best online prices at eBay! Free shipping for many products! The 6cu was enhanced. Car was running fine, but needed a new clutch. I don’t want to do radical mods, but more in tune with acceptable modifications that might improve performance or 90-91 Jaguar XJS V12 Fuel Injection ECU Engine Control Module LUCAS DAC6337 Pre-Owned · Ford $679. 9, 4. I was under the impression by what I have read that the system was in open loop when Aug 21, 2004 · Hi guys. I ended up Oct 28, 2023 · Hello Fellow Jag-Rnaughts, Since I may be setting out on a restoration of sorts of a 1988 XJS, I wondered what the best (in your opinion) upgrades you would recommend for this adventure. It is a clean car(no rust or obvious prior accident damage) and around 140k KM May 29, 2018 · Some older (Mercedes?) v12 incarnations ran their engine with two ECUs as twin six cylinder engines but this was because a 12 cylinder ECU was much more expensive than two six cylinder ECUs. How to find your Jaguar Workshop or Owners Manual We have 392 free PDF’s spread across 21 Jaguar Vehicles. If nothing Oct 14, 2021 · Jenvey Dynamics, the world’s leading developer and manufacturer of fuel injection throttle body and induction systems, has just announced a new heritage electronic fuel injection throttle body kit for the Jaguar V12 5-litre, 5. [1][2] The V12 powered all three series of the original Jaguar XJ luxury saloons, as well as its second generation XJ40 and X305 successors. Photo Galleries Search Results for "Scrabble Edition Vintage" in "Photo Title" - Page 1 Jul 1, 2025 · Discussion about all things having to do with Jaguar Vehicles Photo Title HWM-Jaguar. The ECU still works great! It is a lucas remanufactured unit, I believe it was only a few years old and had very few miles Few people buy a Jaguar to indulge in tyre smoking races from traffic lights. Full details available upon inspection. The EFI works very well but as the engine is being modified I feel the ECU will not be capable of maintaining the fuel supply. While the engine is running (or cranking) the ECU permanently grounds orange to run the pump… Uniquely available from this site is an unrivalled library of technical information including detailed histories of the Jaguar V12 and XK engines (published originally in Jaguar World magazine), and explanations of important topics such as modern supercharging and fuel injection systems. Selling due to personal reasons. Jaguar ECU XJS HE V12 5. Oct 10, 2024 · Re: Jaguar V12 Sequential Injection by prof315 » Sat Oct 12, 2024 12:24 pm CdnXJ12 wrote: ↑ Sat Oct 12, 2024 7:01 am Thanks for replies and clarification about camshaft sensor. This car recently died due to a light amount of damage to the right front suspension & driver door. I am getting back to my 86 XJS v12 project and want to test any component capable of being tested. The EDIS ignition system seemed a very elegant ignition solution but EDIS can only do 4, 6 and 8-cyl. Paramount Performance was probably the first tuning company to specialise in the modern range of Jaguar Vehicles we have a real heritage and history of working with Jaguars, we have now developed into the leading modern Jul 10, 2017 · XJ XJ6 / XJ8 / XJR ( X350 & X358 ) - Replacing Engine ECU (PCM) - Good Morning fellow owners, Without going into details I am in the position where I have to replace the Engine ECU (PCM or ECM) with a secondhand unit from a virtually identical vehicle. 0 V12 ECU Electronic Control Unit Engine Petrol Injection Module DBC11582 made by Lucas. This Exstensively modified xjs Jaguar. I intend doing this as a winter project and have sorced most of the hardware including a S/H tested ECU that has the appropriate V12 MAP installed together with a flying loom. Please note, you need to check the type and the part number off your Mar 4, 2023 · The Jaguar XJS V12 Wiring Diagram is an intricate and complex network of wires, connectors, and components. Apr 7, 2025 · 🔧 Project Log: 1989 Jaguar XJS V12 Convertible — Engine Bay Cleanup & System Upgrades I recently picked up a beautifully preserved 1989 Jaguar XJS V12 Convertible. I tried to get it running before storage, got to finish up another project and save some money for it. Add vacuum advance JLM519 (£74) for best results (); Lumenition CEK150 (£267. How does one go about making sure there are no vacuum leaks on my 88 XJS V12? Thanks in advance, Chri… Nov 24, 2013 · Re: jaguar v12 Custom EFI by Barbapapa » Tue Nov 26, 2013 12:47 pm Rizzle wrote: The holley dominator ecu has 12 injector drivers and can control 12 coils as well, + dual wideband controllers. Dec 29, 2013 · Hi all, I have a 1992 Daimler Double Six Series III (yes, I realise this is the XJ-S forum but as it's the same engine, there are a lot more people in this forum who may have had the same issue as the one I have) Starts and runs fine but after about 5 mins of idling, it will cut out - so I Up for sale is a Working, in excellent condition Jaguar V12 ECU. it was a fat hairy guy dressed like zelda hold a plastic sword. This from a 92 XJS ECU is an Original, used unit. Apr 12, 2012 · The fact that both banks are running rich would suggest that an ECU adjustment is the way forward. Up for sale is a Working, in excellent condition Jaguar V12 ECU. The ECU still works great! These cost well over $2000 from Jaguar, so this is in incredible bargain Jaguar ECU XJS HE V12 5. 6litre V12,haltech ECU custom built intake manifolds,5 speed hollinger gearbox ,jim berry race clutch ,R32 nismo nissan rear end and much more. No idea of price, but it looks like a good, modern upgrade to me: Mobeck V12 kit May 23, 2011 · Well this is the next bit of fun Stand alone Engine ECU 540 mite be a good time for you to jump in This week we will have a 4 speed in a 5. 3-litre or 6-litre engines that promises to revolutionise the aftermarket classic and retro automotive Nov 12, 2005 · I have a 90 XJS Conv. Selling Jaguar parts and Jaguars since 2004, we deliver both new and used Jaguar p Oct 5, 1999 · V12-Engine Cynthia_Gonzales (Cynthia Gonzales) October 5, 1999, 5:09am 1 I just finished putting a XJ-S boot to engine wiring harness into my Sep 22, 2020 · Hello everyone, I have been reading the forum for a long time and learned a lot about this model. 0, etc. While it runs great, I’m preparing this machine for long-term preservation, reliability, and drivability—all while respecting its heritage. In its original form, produced from 1971 to 1981, the inlet and exhaust valves were situated alongside each other and the cylinder heads formed a flat top to a combustion chamber in the form of a bowl in the Jaguar V12 Throttle Body Kitor maybe just stick with the standard 6. Jan 2, 2021 · After reviewing the manual and the archives I understand that my 87 HE XJ12 does not have cold start injectors however it appears that the switch is in place on the front right side of the engine, just below where the rad hose connects. The ECU still works great! These cost well over $1000 from Jaguar, so this is Jun 28, 2013 · I have a Jaguar V12 race car. Plug & Play or Wire-Up engine management and tuning for professional car racing and hobbyists. DIY-able)? Also, what… Nov 30, 2003 · Also there is a possibility that the ECU calculation of opening time could be faulty and cause rich running. Oscillating Pick-Up System. When I bought my XJR-S it was 13 years old, the ECU had failed, and was replaced by the Sep 21, 2022 · Hailed as the smoothest engine the automotive world had ever seen, the Jaguar V12 engine certainly proved to be a versatile unit Aug 21, 2020 · Hi. Item description from the seller 1978-1979 JAGUAR XJS V12 DME ECU ECM ENGINE CONTROL MODULE COMPUTER 83477B OEM. 🚨 Why the Engine Bay is a Mess (Even When it Works) The Jaguar V12 engine is a Jaguar V12 - Classic Car Fuel Injection Conversion Based on our Universal Vehicle Kit with 12 injectors for upto 400 BHP Can be used to update and upgrade the original Jaguar 12 Injector Lucas system This kit contains all the parts needed for our Classic Fuel Injection system (you do not need to order anything else from our range ) I see Mobeck Tech in Norway have their complete V12 kit ready now. 78 MGB roadster. These cars are what I like to call a "legacy car" - these cars are meant to last a dynasty, to be passed down from generation to generation You should have a file cabinet of spare parts for this car, and this should be in it. Is there a wiring diagram of the internals available somewhere? Or even better, wiring diagram + fault finding instructions with specific measurement values at specified points?-- PEXJC --Posted u… Jaguar ECU XJS V12 ECM Control Unit 84253 A DAC 3586 Up for sale is a Working, in excellent condition Jaguar V12 ECU. compatible with LNA1410NA, LNA1410NB, LNA1410LC. Apr 11, 2021 · Is there a single site dedicated to bench testing sensors, circuits, switches and relays. To narrow down your search please use the dropdown box above, or select from one of the available vehicles in the list below. Our Jaguar Automotive repair manuals are split into five broad categories; Jaguar Workshop Manuals, Jaguar Owners Manuals, Jaguar Wiring Diagrams, Jaguar Sales Find many great new & used options and get the best deals for 1983-1989 Jaguar XJS V12 ECU ECM Engine Control Module 84526b at the best online prices at eBay! Tempero XJ13 replica. 3 HE. Really? Either Jaguar changed that or someone modified it on your car. 3 litre – 86 87 88 89 1986 1987 1988 1989 84526 E / DAC 4585 16CU Control Unit Up for sale is a Working, in excellent condition Jaguar V12 Jaguar XJ-S XJS Series 3 XJ 5. 3L V12 engine. Injectors are not working. The car has been stopped in a garage for 15 years the car has always undergone proper maintenance and has stayed dry. For good reason, I’m sure, but I’m Jan 20, 2010 · Hi there! I am trying to find a good diagram showing the connections and routing for the myriad of fine bore vacuum hoses and components under the right hand inlet manifold of my 1986 5. Dyno man contends that he can Fitting a modern ECU allows better accuracy in your fueling and ignition systems. The ECU still works great! It is a lucas unit, These cost well over $1000 from Jaguar, so this is in incredible bargain V12 Chip Tuning & ECU Remapping are one of the UKs leading remapping specialists. Complete bolt on EFI kit for V12 with everything you need to make your V12 run without distributor. The insurance company totaled it because if this as these cars are apparently not worth repair of a small amount of body damage. Jul 27, 2005 · Hi all, There are so many vacuum lines that I can't see the second end with to make sure they are connected. Mine is a 16CU on a 1989 MY 5. Denso engine management computer Suitable for Daimler Double Six / Jaguar XJ12 6. This from a 84 XJS V12 - unit is a USED Lucas rebuilt unit, that works fine. V12 Types. Has no exspense spared . Tubular Exhaust manifold, either from Simply Performamnce or Custom. I'm looking for info on whether anyone has converted a pre-HE Jaguar V12 to Megasquirt. It has been sitting for 12 years, it has spark but getting no fuel, rigged up external fuel pump in fuel canister. Dyno testing has ‘’ very lean in mid-range & detonates’’ & ‘’ very rich on full load’’. Full Custom Exhaust back from the manifold; sadly probably with catalysts as this car is right on the UK cutoff… New Veneers etc inside This is an engine control unit from the LUCAS brand, with part number 84526B DAC4118, for use in a Jaguar XJS model from 1987 to 1990 with a 5. jpg Photo Description And a few more from around the net - "" yEnc Poster: SoulFan Posted: Sat Apr 10 2021 2:05 am Dec 16, 2024 · Page 20867 of 331636 Go to page: Previous 1, 2, 3 20866, 20867, 20868 331634, 331635, 331636 Next Photo Title Edition-blu-fVr=mx=. It is a genuine OEM part, and pictures are available for reference. I was wondering if anyone might have a wiring diagram for the Marelli ECU for the 6l engine(ECU No. All aluminium hand crafted body, 5. It is pure race has a Marelli ecu based ignition system that works perfectly "I know about the issues but they are not a problem for me" The ignition ECU sends a square wave pulse to the EFI ECU. I have changed the trigger board for upgraded 4 wire with the correct rotor. Nevertheless, it is a fact that even the illustrious V12 struggles to keep pace with the more lively volume produced cars in many urban traffic situations. 00 + $15. 0 V8 Jaguar V12 EFI kits Shop Jaguar V12 EFI Kits 3 days ago · LANSDOWNE MOTORSPORT 160 E. Sep 13, 2008 · I am planning on buying an XJS V12 and making it seriously fast, powerful and handle really well!! I was thinking of buying a later model XJS V12 like a 1992 one maybe even a 6litre one running ot for abit and then start the modding when I have the money together. The manifolds are 6 ltr XJS so have the correct high impedence injectors also I have the correct XJS air filters for Jaguar ECU XJS HE V12 5. Used condition, working order. This from a 89 XJS V12 HE This car recently died due to a light amount of damage to the Left front suspension & driver door. The amp looked okay but have not been able A beauty of Jaguar v12 engine. The ECU still works great! These cost well over $1000 from Jaguar, so this is in incredible bargain Jan 29, 2015 · My 84 XJS HE had a reconditioned 5. 90 V12 XJS– Tim Johnson –Posted using Jag-lovers JagFORUM [forums. Today Hi-Z injectors are mostly what is recommended, especially for road cars. We have built a considerable knowledge and expertise in E-Type restoration. From cars and celebrities to animals, movie posters, ships, trains and wallpapers - the galleries are one of the largest and diverse picture collections found on the internet. 3 litre DAC 4118RB LRZ124 / DAC 004118/RB Up for sale is a Working, in excellent condition Jaguar V12 ECU. I’ve done as much research as I can, not being very technical myself, and I don’t see any compelling reason to use the Motec. Note this is my first experience with a v12 as well as an engine swap in a Jaguar. This wire is the pulse signal to inform the ECU that there is ignition activity, and to wake up the fueling circuit, and fire the injectors. A Practical Guide from AJ6 Engineering. 00 shipping The ECU in my 1984 Jaguar XJS HE V12 has gone bad. 3 fitted 18 months ago with a return to standard ECU ( I’m told by my estranged mechanic)from a Wolf 3D ( never brilliant). In all 3 cases I implemented ECU controlled ignition timing - which, IMO is the biggest "win" on any carburetted engine - bigger than fuel injection. 00 shipping Whilst we have probably repaired and reprogrammed more ECUs for V12 Jaguars than anyone else in the business, we have also performed similar work on other Jaguar engines and the Rover V8, which at one time was the mainstay of our ECU business. jpg Photo Description A little more from the net - "2006 Jaguar XK Victory " yEnc Poster: SoulFan Posted: Wed Apr 07 2021 11:59 pm Dimensions: 700 x 483 Comments Rate This Photo Category: Nothing But Cars Photo Title Washington. 1989 JAGUAR XJS XJ-S V12 ECU ECM ENGINE COMPUTER CONTROL MODULE DAC4585 84526E $275. Sep 30, 2010 · There's no real practical solution yet (or actually any single ECU solution) if you want to do full sequential injection and ignition on a V12. Does anyone know what modification is required to switch the ECU on the V12 (16CU) between being used on a manual car and an automatic car? Is it something that is easy to change (i. The pinout is the basically the same for the 8CU and for the 6CU as used on the V12, the only difference being the latter has an extra injector driver output, for the 2nd bank of 6 injectors. The following distributor based ignition solutions are available for the V12: The dissy, ignition amp and dual coils from a dead HE V12 XJS or DD6 etc; Retrofit Petronix 9LU-1122A ($169) into your existing Opus dissy. Would it make sense that All4jags - Jaguar Parts Europe - The best supplier of Jaguar parts in Europe. jpg Photo Description Re post - [270K] Poster: Rich Posted: Thu Feb 11 2021 1:46 pm Dimensions Jan 24, 2025 · Page 63288 of 281713 Go to page: Previous 1, 2, 3 63287, 63288, 63289 281711, 281712, 281713 Next Discussion on a variety of topics such as Cars and Trucks, Celebrities, Classifieds, eBay, Gossip, News, Politics, Product and Seller Reviews, Religion, Sports and much more. With the 'bad' ECU - Answered by a verified Jaguar Mechanic Feb 27, 2011 · I was able to locate one old 6CU EFI ECU to salvage the 35 pin connector and after carefully desoldering it from the original board I am now in the process of attaching wires to the back of the connector so I can run them into the Megasquirt ECU. Photo Galleries Search Results for "Scrabble Edition Vintage" in "Photo Title" - Page 1 Feb 6, 2021 · Hello, I am a new member of the forum. If anyone’s got a basic Daimler Jaguar X300 X305 XJS 6. Thanks in advance Shane Bellingham Auckland New Zealand Email: @Shane_Bellingham1– Shane Bellingham Auckland, New Up for sale is a Working, in excellent condition Jaguar V12 ECU. These would include brakes, electronics, cooling, engine/performance modifications, etc. The adjustment procedure is covered in Kirby Palm's book, XJS: Experience in a Book, so I won't duplicate it here at this time. i once saw a pic of n jaguar. 3 litre – 86 87 88 89 1986 1987 1988 1989 84526-B / DAC-4118 Up for sale is a Working, in excellent condition Jaguar V12 ECU. Do you have experience with these? Jaguar ECU 1984 1985 XJS V12 ECM Control Unit 84253 A DAC 3586RB lrz 119a Up for sale is a Working, in excellent condition Jaguar V12 ECU. Full harness, ECU, Injectors with brackets, electronic Idle valve, triggerwheel, two six packs of coils and coil bracket. The problem is that this system is pretty I am using the 87-engine block and heads and plan to adapt the components from my 91 with the Marelli system on it. I have a factory workshop manual for a series 3 but unfortunately the wiring diagram for the fuel injection system relates to the early pre HE (bosch) system. 0 litre V12 of 1993-7 had many modifications, among them cam profiling, but they were all done as a package (ie, the different cam profile responded to the greater swept volume, different fuelling maps in the ECU, different exhaust back pressure and scavenging of burnt gases, cats and so on). e. com Aug 15, 2011 · I didn’t get any hits on this in the XJS forum so I will try here. Removed from a 1993 XJ81 Suitable for XJ40/ XJ81 & XJS 6. 4" P&P 2000 Pace: Cat/uben delete. Electronic fuel injection can cater for any load, rpm, or altitude whilst monitoring air fuel mixtures it will always be adjusting parameters on the fly from its closed loop system. I took quite a few pictures to make sure By ordering this conversion kit you understand that further ECU calibration work will be required and the final results are outside of our control. We use the most advanced equipment and software to deliver the best results and change your driving experience forever. This from a 86 XJS V12 HE Euro model This car recently died due to a light amount of damage to the Right front suspension & driver door. Dropping the idle speed by adjusting the aux air valve and making sure that the cat is nice and hot before emissions testing can make a difference. 1998 Grand Prix GT: L67 swap. ) and transmissions. 3 V12: Dual straights, Cragars, Cobra buckets. THE JAGUAR V12 ENGINE XJ-S and Saloon - 5. I am attempting to duplicate the work done by Ross / Macaddict from the MSruns. This from a 90 XJS ECU is a DAC6337 Original, used unit. This car recently died due to a light amount of damage to the Left front suspension & driver door. It is essential for all owners of the vehicle to have a clear understanding of the wiring system in order to properly diagnose, repair, and maintain their vehicle. We cannot accept returns or claims arising from failure to successfully complete the calibration process. Aug 28, 2020 · I would be very greatful to hear from anyone who has actually fitted an Emerald K6 ECU to a V12 E Type. org]– // please trim quoted text to context only Jaguar ECU XJS / XJ12 80401 D DBC 12512 36 CU Up for sale is a Working, in excellent condition Jaguar V12 ECU. They are either being chromed or polished. The donor car recently died due to a light amount of damage to the Left front suspension & driver door. Experience in a Book Electronic Fuel Injection If you wish to understand or troubleshoot the Jaguar XJ-S electronic fuel injection system, it is highly recommended that you obtain a copy of "Understanding Electronic Fuel Injection, Ignition and Engine Management " by Roger Bywater and available from AJ6 Engineering. All of the fuel injection systems are fitted to the highest detail to enhance your driving experience. Any help is, as always GREATLY appreciated! Cheers to this Jag Dec 8, 2024 · Does anyone have please a routing diagram for the vacuum piping, etc SPECIFICALLY for a XJS V12 HE 1984 UK specification car - any labels normally under the bonnet/hood are missing. jag-lovers. Good evening everyone I’m tried looking for a topic or thread on where to get a true colored and accurately labeled wiring diagram in this site… My son a I are reviving our 86 XJS. One of the first fully electronic systems to become established was Lucas OPUS which was initially proven in racing at Formula One level and then entered production on the Jaguar V12 - an engine for which contact breakers would have been totally impractical. Any help please? Martin B This is a long post so I will summarize what is to follow: I am likely looking for a trusted Jaguar XJS ECU specialist who can tell me if my ECU is truly dead and repairable. I am assuming the MS1 can handle the input Oct 3, 2021 · All, I'm brand spanking new to MS or any stand alone ECU's. The amplifier Take contact as there are some options as well. 8:1 compression May 9, 2012 · whats the best preassembled unit to replace the factory ECU on a V12, thats capable of driving this many injectors? 1985 Jaguar XJS 5. 4), There is a shielded wire that runs from the Lucas Ignition Amp, that Black box on the LH inlet manifold, and goes to PIN #18 of the ECU. I bought 1989 Jaguar XJS with 5. Budget isn’t an issue as all of the ECU options are within our budget, I’m just looking for the easiest solution. Thanks in advance. Was wondering if there is one place for that info and also an explanation of each component. Tempero is reknowned as the finest hand built replica made and asking price to build a new one is now US PERFORMANCE FOR THE JAGUAR V12 Our ENHANCED ECU (Electronic Control Unit) makes the car much nicer to drive whilst our SUPER ENHANCED ECU at uses more advanced techniques to provide the sharp response normally associated with multiple twin choke carburetters. I believe you’ll find it ispossible to fire each group of three such that all injectors are firing when the intake valve is Engineering reliability and modernising technology into the 3. I felt that this subject warranted a topic of its own. Strong 6. I have not tried to adjust anything as of yet but I would like to if it can make my idle just a bit smoother. com forum. Although you can drop the Tremec 5 spd and the Keisler Bell Housing from under the car, I found it hard to get the input shaft to engage the pilot bushing, so I May 18, 2004 · I have Transplanted a 6l V12 into an older XJS & need to wire the new ECU’s up. V12 IGNITION SYSTEMS Lucas OPUS. Example: A running V12, unplug that CTS = DEAD V12. So far i have read tons of topics about no injector pulse and i havent found the issue so far. I don’t want to assume anything, and I did not see any reference in ‘‘The Book’’ (nor on Sean Straw’s ‘ECU tool’ page) as to which way to turn this dial. This from a 94 XJ12 V12 Jaguar. 3 & 5. According to the Motec site, the M800 is the suitable system: ‘‘Mazda 3 Rotor, V6,V8,V10,V12 Racers, this is your ECU. American fuel-injected V8s respond very poorly to changed cam profiles Nov 24, 2021 · Hi, I wondered if anyone has a wiring diagram for a V12 HE engine as fitted to a 1983 XJ12. I have done continuity test on ecu, injector amp and changed out the manifold absolute pressure sensor. I was concerned about the mixture as it is controlled from the ECU. I am curious, can a after market EFI system like Englise be Jan 31, 2020 · Re: Fuel injection on the V12 engine by jagwit » Sun Feb 02, 2020 7:47 am I have fuel injected 3 Jag V12 engines (and numerous v8s) using Megasquirt-2. 0 V12 engines only 94-97. I bought this car about a decade ago, it had been converted to run strictly on propane. My 91 engine dropped a valve in the cylinder. 29) with fitting kit FK119 (£110) for Up for sale is a Working, in excellent condition Jaguar V12 ECU. I have been chasing an erratic idle, and as a side note I have learned more about the EFI system than I did before which is a good thing. Massive selection from top brands on eBay. Jul 1, 2025 · Discussion about all things having to do with Jaguar Vehicles Photo Title HWM-Jaguar. Thank you 1 Like Home Mar 11, 2007 · So what sort of signal does the V12 HE ECU get from the Lucas CEI ignition system? Also is there any sort of feedback signal that the Lucas CEI ignition system gets from the fuel control system or other sensors? I would like to see if this megajolt + EDIS setup would be adaptible to replace the whole distributor on a car with Lucas CEI ignition without altering the factory fuel injection ECU Aug 20, 2004 · Jack Farrington, 70 Jaguar E Type, roadster, 91 Jaguar XJS convertible 86 Jaguar XJ6 Series 3. The forum is very interesting. He did this sort of fuel only conversion first on his 1984 Jaguar Engine Tuning & Performance Upgrades for Jaguar Cars Paramount Performance is a name synonymous with the Jaguar Car marque and high-performance engineering tuning. The guide has been updated with extra guidance about engine swaps to later types (HE, 6. Car is competeing in Targa Tasmania this April. Contnued running of a V12 with gross rich fuel mixture can do damage to the engine internals. I am assuming I would need to use Multi point group injection. It is a 1991 Daimler Double Six, German market car. Took it to 220hp with wild fluctuations in air. This unit is fully functional and ready to be installed in your vehicle. Jan 15, 2014 · V12 standalone ecu help Thread in ' Project Cars and Builds Threads ' started by Tommorris256, Jul 29, 2015. In short though, with the engine in closed-loop operation (pulling the loopback plug from the port adjacent to the feedback monitor port accomplishes this, but should only be done Apr 25, 2024 · I recently( about a year ago) purchased a new toy. Theres quite a bit of choices depending on your budget that will work without needing to run two systems. jpg Photo Description More internet goodies - "1954 " yEnc Poster: SoulFan Posted: Sat Feb 20 2021 4:30 pm Dimensions: 705 x 299 Comments Rate This Photo Category: Nothing But Cars Photo Title 1966-Dodge-Polara-HT-sedan-fvl. 0 engines only. Also looking for an EAC part number listing. This from a 84 XJS V12 This car recently died due to a light amount of damage to the Left front suspension & driver door. Dec 28, 2018 · Jaguar V12 used low impedance (Lo-Z) injectors, in the 1980’s these had better performance and were more reliable than comparable Hi-Z injectors. I just noticed next to the vacuum port on the ecu, there is a potentiometer open on the side for an adjustment of some sort. 3 litre Jaguar V12 fuel injected, Autronic ECU, ZF transaxle, dry sump. 3. Recently, I was contacted by someone interested in the “DESC” module I created for the DUAL EDIS-6 ignition system I developed for my V12 XJS. I have a pre-HE V12 Jaguar XJS (1977) and I’m looking for any suggestions and assistance in regards to a Link ECU setup. The ECU still works Aug 26, 2016 · Everyday XJ specializes in Jaguar XJ6 Series 3 parts, but also has parts for most Jaguar models. What is there has two male spade connectors on top I can’t find any corresponding connector on the rest of the wiring in the area. The ECU still works great Few people buy a Jaguar to indulge in tyre smoking races from traffic lights. 99 $8. 3 HE engine. jpg Photo Description civil war USA - "Victory parade " 48. You need to work with somebody who has some experience with the type fuel injecton your V12 is using. On my '83, both the tach and ECU wires were bullet connectors, but one was male and one female. This is my first experience with a Jaguar as I previously only owned classic Mercedes models as hobby cars. This from a 90 XJS ECU is a DAC6337 Rebuilt, used unit. gbjkro yutmqkq dgqff syve ugu yvcu zbct ghsy vfiy gdvtow