Thread: '83 380 SEL - Suddenly runs super rich.
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Old 05-17-2008, 09:37 PM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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The idle valve has no part in mixture control!

Mixture control is monitored on your car by watching the duty cycle of the frequency valve. Pin #3 of the diagnostic socket.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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