bad idle , rev's up and down

Asked by Oct 02, 2013 at 02:53 AM about the Dodge Colt

Question type: Maintenance & Repair

the car seems to run fine except at idle, rev's from 600 to 1000rpm up and down then
the motor shuts down.  why?

1 Answer

254,535

It could one thing or many. Check for vacuum leaks, dirty throttle body, faulty or dirty idle control valve, misfires, etc.

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