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disconnect the battery and let it sit for about 30 minutes then reconnect. that should clear the codes. or get an ODBII code reader (about $40 ) and push the clear button. that's the easiest and you can read the codes too.
Charge air system leaks.Recirculating valve for turbocharger is faulty.Turbocharging system is damaged.Vacuum diaphragm for turbocharger needs adjusting.Wastegate bypass regulator valve is faulty.ECM has failed.Here's the causes for the code.
check ignition module, ....... what was the number of the code ? the reason being is that when the misfire affects multiple cylinders other components has to be checked .......cat converter, ign mod,o2 sensors, etc ......
goto a sears automotive center,walmart,pepboys or some place like that, they sell OBD 2 code readers for the car, you connect it up to the computer and it will tell you what the code is that is setting the light off on the dash, if it is what you fixed, then you click on the the button to reset the light and you are done... the OBD2 readers can be anywhere from $20 to $40 or so dollars from those places. just get a cheap one cause that will save you a lot of money. but atleast then if the light ever comes on again you can connect the reader up read the code and fix the problem that is causing the check engine light to come on...hope this helps and saves you money
The engine doesn't have a mechanical idle speed adjustment - VW/Audi have a software called VagCom (the diagnostic software they use) that is used to adjust the idle - it's completely computer-controlled. You have to change the idle speed using the software.