low idling

2002 MERCEDES BENZ C240
104,000 MILES • 6 CYL • 2WD • AUTOMATIC
Avatar
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 2, 2011 at 12:18 AM
Advertisement
Avatar
JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
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 5:14 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.