Low Idle while in gear - '98 E430 - Mercedes-Benz Forum

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post #1 of 1 (permalink) Old 01-22-2013, 11:00 AM Thread Starter
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Date registered: Feb 2008
Vehicle: 1998 E430
Location: Dallas
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Low Idle while in gear - '98 E430

Hi guys...

I have a '98 E430, and lately I've noticed that the car is idling lower, and causing the car to basically hum, but only when at a stop and the car is in gear.

Without load, it idles fine, but as soon as I drop it in gear with my foot on the brake, it lowers to about 500 and you can feel the body humming.

In my older Audi's, I have an ISV (idle stabilizer valve) that can get sticky. Usually cleaning it fixes it, but I've replaced my share. Does the M113 have something similar?

Thoughts? Ideas?


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