If you have these problems, you have a problem in the idle circuit.
You are in FOM (fixed operational mode)..
Most of the time it is the air plate sensor or one of the other inputs.
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Benzmac:
Donnie Drummonds
1992 500E (very soon I hope

1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
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