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Car Forum / Chevrolet / Chevrolet Malibu / January 2006idle promblems
99 malibu 6 cylinder 3.1 100000 miles started to lope at idle . then later started to do it while driving. check engine light works but does not appear with this promblem. so i eliminated the possibilty of a sensor. i also know that any regulating eguipment [like the idle control]would cause an emmission promblem and the check engine light would come on. any ideas. thanks > 99 malibu 6 cylinder 3.1 100000 miles started to lope at idle . then later > started to do it while driving. check engine light works but does not > appear with this promblem. so i eliminated the possibilty of a sensor. i > also know that any regulating eguipment [like the idle control]would cause > an emmission promblem and the check engine light would come on. any ideas. > thanks Did you check for a vacuum leak? That can cause a lope without setting any codes. i did look for vacuum leaks. i used a mechanics stethoscope to listen but did not hear any . i also tryed letting propane seep around the engine and did not get any type of rev up . > i did look for vacuum leaks. i used a mechanics stethoscope to listen but > did not hear any . i also tryed letting propane seep around the engine and > did not get any type of rev up . If it was just at idle I would suggest maybe a dirty throttle body, but doing it above idle I'm not sure.  SignatureCy Welch 89 Camaro RS 5.0 TBI 98 Passport 03 Malibu i guess i will just have to try one thing at a time. thanks for your help |
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