why would car idle go up and down

Asked by Mar 21, 2015 at 05:33 AM about the Mercedes-Benz 280

Question type: Maintenance & Repair

idle will not stay stable,rpms go up and down while ideling

1 Answer

10

Bevauae ur amf sensor needs cleaned or replace. Coroded wireing harness mb manufactre fault so replacement of harness is nesisary also preventing more problems... Relay fuse shot. Coils or spark plugs may need replaced or cleaned. Filter oil and maintenence maybe required. Also may be a fuel or air blockage.

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