Renault Clio (2003) Model - Under Revving while Idle?

Question:
Just noticed that when the engine is idle the revs seem to bounce down and back up?

Chrysler corp?

Had a diagnostics test done but showed up no faults.

What year PT Cruiser would make the best used car?

Any ideas what might be causing this problem??

Answers:

Has anyone had any luck in locating a black leather car bras for 2007 Lexus IS 250?

I had this problem with my clio. Again nothing showed up on any diagnostic test. Eventually it was discovered that a sensor or something (can't remember exactly) situated near the drive shaft was faulty. Had it replaced and it's been running fine since.

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How do i fix my timing on my audi 100se?

this could be caused by automatic choke,which controls the engines revs while idle.. :D

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Would a trannys on jeeps Cherokees 94?

sounds like you running off a cylinder which can be caused by sensor problems and is sometimes hard to find on the diagnostics test

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