why is my car idling rough still after cleaning all the sensors and changing plugs, wires and everything else there is on this engine?

Asked by Altezza_422 Jan 21, 2015 at 09:57 PM about the 1999 Chrysler Sebring JXi Convertible FWD

Question type: Maintenance & Repair

Got a 1999 sebring conv with the 2.5L 6cyl. It has a distributor, not coil packs. It misses or skips at idle only. Other than idle, it runs like a new car. I've cleaned carbon out of the upper intake, throttle body, iac valve, and everywhere else I could find any carbon. Changed plugs, wires, distributor, map sensor, iac valve, did the timing belt/water pump today and none of this has stopped the bumping at idle. It accelerates perfect, slows down perfect with no skipping/missing/bumoing action, it starts up from cold perfect, it just idles hard and the idle is low, its at 6 to 650 instead the 750 it used to stay at. this is perplexing st this point. It runs perfect so I still drive it, it just idles not so great. I also sprayed little water around the upper intake and nnothing, no sounds and didnt see anything. Thanks for any guidance at this point!

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Michael answered 9 years ago

Sounds like you covered alot already, Im sure you readjusted the idle. The only other thing I can think of would be timing related, I would check the timing to make sure its set properly also if the belt is off a tooth or streching if its a chain also the guides or tensioners. I would also check the Sebring forums to see if anyone else has had this issue. Good Luck

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