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Old 11-01-2002, 11:51 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The most basic answer is that the amount of air entering the motor is changing. This can be caused by air leaks or by irratic electronic control of the idle air valve.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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