how to fix an rpm problem

Asked by Nikki Nov 05, 2014 at 08:50 PM about the 1990 Mercedes-Benz 300-Class 4 Dr 300E Sedan

Question type: Maintenance & Repair

looking how to fix an RPM problem in the 1990 Mercedes Benz 300E.

1 Answer
46,455

Michael answered 10 years ago

Try cleaning the Maf sensor the throttle body and try running Seafoam thru the system. Aslo maybe check the idle air control valve.

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