IDLE ROUGH WHEN STOPPED AT TRAFFIC LIGHT OR STOP SIGN

2003 Volkswagen Passat

Tiny

scottrjr-23321

September, 23, 2013 AT 8:45 PM

Tread Quarters did diagnostic.-Replace line vacuum hose, next day return car w/same problem, install a factory part (unknown), p/u car & return within 2 hours same problem. Was told to go to dealers. Not fair, they got paid, still got the idling & check eng. Light back on. We install 4 coil pack & wires prior to. But Rough idle & check eng light continues. Help!

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

3 Answers

Tiny

saturntech9

September, 23, 2013 AT 8:51 PM

Which engine do you have?Also what are the exact code numbers you have not code descriptions?

Tiny

exovcds

September, 24, 2013 AT 5:03 PM

Replace the PCV check valve.

Thomas

Tiny

saturntech9

September, 24, 2013 AT 7:30 PM

That's a good one Thomas I had another user with a similar problem with.A pcv leaking vacuum causing issues. They supposedly make a Aftermarket metal one.

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