PeachParts Mercedes-Benz Forum - Abnormal revving at idle in 300E.

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- - Abnormal revving at idle in 300E. (http://www.peachparts.com/shopforum/showthread.php?t=10346)

Steve190E 2.3

11-12-2000 04:53 AM

I have an 1988 300E that has been idling high a lot of the time. If the car is in neutral or park it idles at about 1500rpms, but when it is in gear it idles at about 750-800rpms. Sometimes the idle while fluctuate between 800-1500-800 and so on. Any idea what may cause this?

joel	11-12-2000 05:41 PM

check overvoltage relay. had similar problem before, bought updated OVR with red top and 2 fuses.

Benzmac

11-12-2000 07:28 PM

There are many reasons that this could happen. One could be a faulty sensor or sensors. Others could be air leaks. If the problem persists, you should have it checked by a professional.

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Benzmac:
Donnie Drummonds
300E
ASE CERTIFIED MASTER AUTO TECHNICIAN
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM
OWNER OF MB AUTOWERKS .COM

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