low idling

2002 MERCEDES BENZ C240
104,000 MILES • 6 CYL • 2WD • AUTOMATIC
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FROPEN228
  • MEMBER
  • 1 POST
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?
Mar 1, 2011 at 4:18 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
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.
Mar 21, 2011 at 10:14 AM
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