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Old 08-06-2001, 08:22 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
This is a code of the Diagnostic Module DM. It is for O2 sensor full rich trim (O2S1 - G3/2). It infers that the sensor is continuously reading a lean mixture even after full correction. Possible causes include air leaks, bad sensor, shorted wire etc.

Actual values should be read and the HFM controller should also be tested from faults.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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