BenzWorld Junior Member
Date registered: Feb 2008
Vehicle: 1998 E430
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Low Idle while in gear - '98 E430
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?