HUGH RPM ON START UP AND IDEAL

1988 Mercedes Benz 560sl

Tiny

Massoud

January, 12, 2010 AT 7:23 AM

Engine Performance problem
1988 Mercedes Benz 560sl V8 Two Wheel Drive Automatic 140000 miles

Hi,
Recently when I start the car, the RPM goes to almost 2000 RPM and it would not come back down.
When I start driving, the RPM is nornal but once I move the gear to nutural, the RPM level goes up again!

Please advice
Thanks
Mason

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