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Question
2002 Dodge 2.7 v6 idles rough but elicits no codes, nor does the check engine light come on. Dealer cannot find anything wrong with it. Any ideas? Thanks. Tim
If the dealer has looked at it and cant find anything ,theres not much i can tell you.You would need to define "rough"?.misfire?.slow idle ...high idle?..lumpy?...if it doesnt show any codes then it must be fuel ..did you change the filter?Do a intake leak check?..look for vacuum leaks at the air boot.
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Answers by Expert:
Sean Halliday
Expertise
general auto repair,japanese,bmw,mercedes,mini cooper 1960/2009,general british cars,ford.I DO NOT work on automatic transmissions.Manual transissions i install clutches only.Many people ask me to diagnose noises from their cars,unfortunately i cannot do this unless i hear it.As you appreciate,vehicles can and will make a variety of noises.I DONT UPGRADE or fit aftermarket performace kits,parts,chips,only replacement parts.
Experience
40 years experience on all general auto repair.
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