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Old 08-26-2002, 12:21 PM
RPM55 RPM55 is offline
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Join Date: Jun 2002
Location: Cumming Ga.
Posts: 286
The idle speed is controled by the CIS-E control unit on this car. Before replacing the control unit you need to be sure that the throttle switch on the throttle housing is working properly. You could also have a sticking idle air valve. Most times idle problems are not the control unit on this car. Also this car doesnt have a air mass sensor.
Mercedes Benz Master Tech
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