Quote:
Originally Posted by Ilma
I get this too.....idle is smooth, but every once in a while (a couple of times per week sometimes) the car kind of stumbles for a split second at idle and then I notice the DME increases the idle speed from 650 rpm to 750 rpm.
It remains idling smoothly at 750 rpm until I restart the car, at which point it reverts back to 650 rpm as if nothing just happened.
Weird.
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We talked about this already on another thread, but I still have the same exact issue. I told my S.A. about it and described this, but the technician couldn't replicate it of course.
I still think it's an issue with one of the coils because I never had this until I replaced my spark plugs. I'm hoping to get a misfire one day so I can replace that coil.