cmiller11 Posted September 25, 2009 Share Posted September 25, 2009 Hello! 2007 civic coupe, automatic. When cold, or sitting overnight only, vehicle starts up fine, however has rough idle, loud exhaust vibration sounds in interior, is worse in reverse backing out of driveway. Symptoms totally disappear after vehicle warms up. 6 visits to the shop and still unable to diagnose or repair. They state they have checked the forums. Has been going on for 4-5 weeks. Also noticed this change after a trip to an 8000 ft elevation. Trouble began the following day. It has been on machine for diagnostic codes, also had computer wiped and downloaded updated software. Mechanic last stated, lets try motor mounts. BUT - motor mounts are not temperature sensitive. To elaborate on vibration sounds in the interior, it's almost as if I have a mod exhaust system. But I do not. Any ideas? Has 51k. Quote Link to comment Share on other sites More sharing options...
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