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'95 C280
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Discussion Starter #1 (Edited)
Refer to benzworld.org/forums/w202-c-class/1428336-low-idle-speed-stalls-stop-sign.html

NOOWW, it is high idle but with a difference. (After getting the engine harness changed), it starts smooth and runs smooth.

I noticed the very first day that idle speed at the start is fine but when I reach my work, idle speed persists at 1800 (instead of about 700). I called the stealership and was advised to wait few days because the car was not running for about 2 weeks.

The problem is - warm idle 1800, cold idle about 700.

I observed yesterday that plug 011 545 14 28(white arrow) is "just hanging". Can it be the culprit for high idle at warm temperature.

Any ideas????
 

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