01 jetta vr6 engine




01 jetta vr6 engine

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    Volkswagen Jetta VR6 L 12V Engine. Volkswagen Golf VR6 L 12V Engine. Volkswagen Passat VR6 L 12V Engine .

    I just thought I would share my experience with the "Check Engine" light on my wife's 01' Jetta GLS VR6. We started experiencing the Check Engine Light a few .

    01 jetta vr6 engine

    01 jetta vr6 engine

    Email Required, but never shown. The intake tube is strategically placed behind the front bumper to acquire colder, denser air. The Passat R36 , available from early , received an uprated version of the 3. Start a new Volkswagen Jetta question.

    01 jetta vr6 engine

    01 jetta vr6 engine

    01 jetta vr6 engine

    01 jetta vr6 engine

    01 jetta vr6 engine

    VR6 Engine | eBay

    By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. My Volkswagen Jetta VR6 will crank and crank but it will not start. I have replaced the fuel pump and the fuel pressure regulator.

    I was told by local mechanic that works on foreign cars and said I need to reset the computer. Is that true, or do I need to do something else?

    01 jetta vr6 engine

    It is rare that the ECU computer, engine control unit fails. They are designed to require no resetting, and also, consider this: If you really want to reset the computer, you can do that simply by detaching the battery. I don't believe, however, that this would help. What is the cause, then? No spark could be one possibility. Do cylinders 2, 3, 4, 5 and 6 have spark? You only said that cylinder 1 has spark.

    No fuel could be another possibility. You said that fuel pump is brand new, but it is in theory possible although unlikely that it doesn't work. You need to somehow find out if fuel is injected into the cylinders. Lack of compression or a huge vacuum leak could also cause an inability to start, but there's plenty of redundancy in 6 cylinders so I don't believe lack of compression is the cause.

    01 jetta vr6 engine

    Consider also the possibility that some critical sensor such as the crankshaft position sensor has failed. In my case, on my Opel Vectra, I had exactly the same problem. Occasionally it started, occasionally it didn't, and I diagnosed the ECU relay to be the cause. Replacement solved all problems. If any of your sensor etc. You need a VAG tool to read the computer log. If it is not logged, you can still read runtime values and determine what malfunctions exactly.

    Resetting ECU is NOT a solution, it may work in some cases because computer records runtime values and adapts so resetting may force it to behave slightly differently. But resetting ECU would just be a bad workaround which will last for a short while. So your mechanic thinks the model car was working fine until today but now it needs a reset? If your mechanic does not have VAG tools, you must switch to another place which utilizes "modern" used since 90s tools.

    If you don't use the tools, you will keep replacing components until you find what is the real problem. Just a big waste of time and money. Surely, it is a good investment to buy the cable for yourself.

    01 jetta vr6 engine

    But most importantly, your mechanic should read your computer for errors anyway. OBD may give basic info about a problem but it is very limited. You need to use a VAG specific tool. I suspect the car isn't starting because it isn't seeing the transponder in the key. These cars are immobilised by a system whereby the ignition key, instrument cluster and ECU all talk to each other. The car will only start when all components are happy. The key contains a chip which communicates via a ring embedded within the housing of the ignition cowl.

    By clicking "Post Your Answer", you agree to our terms of service , privacy policy and cookie policy. Home Questions Tags Users Unanswered. The fuel pump relay does work, and the number one spark plug fires. George 3, 20 61 Justin Richter Justin Richter 11 3. I will check all spark on all wires and will try and find ecu relay and replace. Where is the ecu located please? I don't believe your ECU is the cause. Could be, but that was just an example. Not all cars have an ECU relay. Your car is definitely newer, so it may be it has no ECU relay.

    VW VR6 jetta swap part 1



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