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Old 06-16-2003, 11:43 AM
stevebfl stevebfl is offline
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
I can't read the second picture, but if the O2 sensor is disconnected the eHA should go to 0.0ma and the duty-cycle to 50%.

The first picture denotes a rich mixture from the EHA current of minus 3ma. The duty-cycle is backwards or the polarity is backwards. A 68%duty-cycle would indicate a lean mixture.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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