1987 Mercedes Benz 420sel Engine idles high.

Tiny
MACRACING
  • 1987 MERCEDES BENZ 420SEL

Engine Performance problem
1987 Mercedes Benz 420sel V8 Two Wheel Drive Automatic 98000 miles

The idle of my engine is always high causing poor gas mileage and hard shifting. What can be some possible causes?

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Friday, April 3rd, 2009 AT 10:23 PM

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