My car stalled and now wont start. I had my car scanned and it showed 8 codes. This has been going on for at least a year now. The codes have to do with my exhaust system and cat. Im almost positive there is nothing wrong with either. I was told it could be my engine computer is fried. I tried starting it again and it turns over, but the epc light comes back on after driving for a little bit. How can I be sure that my engine computer is the problem? I bought a new one and changed it myself but I need to get my keys programmed to the new computer before I can see if it is effective. Please help!
Do an exhaust pipe check on the car. It will tell you if the air is flowing through the cat and the muffler. If they are the fuel can't be pulled into the cylinder to fire the engine. Not sure the computer would keep it from starting as I am not a VW guy. As a quick check put your hand over the end of the exhaust and see if the pressure is strong or weak coming out. put gloves on so you don't get burnt from the exhaust. If it don't start at all currently remove the o2 sensor ahead of the cat and see if it starts, it will run rough but should start. Hope this helps.
SOURCE: vw golf gtx showing EPC on the flash board b4 the
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Trouble trees are listed for all makes in the manuals for dianogstics
http://ezinearticles.com/?Find-the-Free-Auto-Repair-Manual-You-Need-Online&id=92717
SOURCE: 2002 volkswagen passat v6 4motion
First of all you need to access the Engine Control Module (ECM) using suitable diagnostic equipment connected to the data link connector of the car, in order to pull out all DTC's memored. DTC = Diagnostic Trouble Code. Then you will bu full informed about the root cause of the problem, and you will be able to repair & replace bad pieces and reset the ECM. Then the EPC (Electronic Pedal Control) yellow light will turn OFF.
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