2002 Cadillac Deville "car idles rough stopped light" Questions

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at stop lights or stopped traffic/ rough idle, pulling or surges when driving and at stopped lights and stopped traffic-why? Try filling it with a top grade premium gas. Replace the idle control motor

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Question about Cadillac DeVille

1 Answer

car at idling. Do anyone have a solution for me or this same problem? try this Here is the most common cause of surges and stalls and low idle rough idle, it is the idle speed control air-bypass valve

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...light. no roughness prior. sounds like an IAC motor. that stands for idle air control motor. it adjusts throttle to keep at steady speed. could possibly be throttle positioning sensor though. pay ...

...Car also started running rough. Could I have just possibly jumped time? I see more than one issue in your story. Its possible the computer lost memory and will need to relearn. But that would not ...

Question about Cadillac DeVille

5 Answers

...stopped my car runs like brand new and I am loving it again. no over heating no injector problem, runs great.......I hope this helps. I know its probly a temperary fix but its a fix and now we know ...

Question about Cadillac DeVille

1 Answer

light comes on sometimes harder to start than normal, idles up and down up on stopping Symptoms Symptoms of a P0105 check engine light code may include: Poor running engine Engine runs rich Engine won

...car was driving rough and Idle at a light with the air conditioner on The Idle is very rough.Check engine light came on. The coolant was very very low. I added coolant. Car drives better but is still ...

...rough idle when stopped in drive the engine was just replaced and now it has rough idle and when stopped at light it has a erratic idle .but when driving down road it runs great check for loose/ ...

...idles rough in gear when stopped at a light. Idle seems to drop real low but I can't tell you how low as there is no tach. Does not exhibit problem when in neutral/park. Otherwise car runs great at ...

Question about Cadillac DeVille

1 Answer

rough idle in the morning when it is cold car has a rough idle, also while driving and i come to a stop light it has a rough idle You may have a valve leak.

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