What causes my car to idle unstable at a cold start and shake til its warmed up??

Asked by May 01, 2013 at 07:55 PM about the 1994 Mercedes-Benz C-Class

Question type: Maintenance & Repair

I start my car in the morning and it idles between 500 rpm and 1000 rpm unstably and the
car shakes a little till its warmed up, when the cars warm it runs fine other the a jerk at
random times when sitting at a stopping point..... can anyone help....

1 Answer

55

throttle body usually gives problems ,try cleaning it with carb cleaner

2 people found this helpful.

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