2CarPros - Car Questions & Answers

2002 Mercedes Benz C240 Repair Question


Topics covered: Idle air control valve.
Mileage: 104,000 miles.

Asked on March 2, 2011

Low idling

My mb c240 has 104k the idling is low when in drive position and at stop at the traffic light. should the idling be adjusted to a higher position or it adjust by itself automatically?
Avatar Asked by fropen228

Answer

Replied on March 21, 2011

It it controled by the computer. The computer sends a signal to the idle air control valve that is responsible for idle speed. Check that to see if it is carboned or not working properly.

Tiny Answered by Jacobandnickolas (expert)
57,318 answers provided