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Old 08-25-2003, 01:11 PM
stevebfl stevebfl is offline
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Join Date: Mar 2000
Location: Gainesville FL
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Disconnect the O2 sensor. The duty cycle should read 50%. Key on, engine off, should give 70%.

Use those figures to calibrate your test technique. if you don't get those numbers you are either testing wrong or you have electronic control problems.
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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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