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Old 09-06-2001, 09:11 PM
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Join Date: Sep 2001
Posts: 29
Unhappy rpm surges on idling- 300E 1993- 104 engine

My brother in law has a 1993 300E with 3.2 liter engine...

When the engine gets hot the idling surges...

He replaced the airmass sensor and the cruise control actuator already... but the problem remains...

Please help...
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Old 09-06-2001, 09:18 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
This could be a wire interruption in the Mass air flow circuit. It is time to get out the ETM and the Meter.
Donnie Drummonds
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