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Old 02-20-2005, 05:45 PM
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haasman haasman is offline
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Join Date: Jun 2001
Location: San Francisco, CA
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Duty cycle 81%? What does this mean for a 91 300e?

Got a multi-meter with a duty cycle. Followed instructions, red in #3 black in #2 in the test socket on the 91 300e.

Turned on the ignition, but before starting 84% reading and even after the engine is running I still get 81%. The value does not fluctuate.

-Does this mean the oxygen sensor is bad? or .....

-Does this mean the air/fuel mixture adjustment is off the charts?

Haasman
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Last edited by haasman; 02-21-2005 at 01:31 AM.
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