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Re: Question for motronic expert (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Max Fretter (NZ 88 735i) on September 09, 2001 at 18:57:33:

In Reply to: Question for motronic expert posted by Scott Fuller on September 09, 2001 at 15:52:15:

Have you checked continuity of the exhaust/engine to the body? Hate for an earth-loop to cause a voltage drop on you...

Max



I continue to retrieve a fault code 1264 O2 sensor heater on my 89 735iL. I have replaced the O2 sensor, but the code still remains stored. I have motronic v.1.3, and I am not sure how to clear the code. The code repeats indefinitely, until I turn the key off. I have followed the Bentley troubleshooting guide for the O2 sensor, and all voltages are correct, and I have continuity where I am supposed to. I am not sure if I have a problem with the O2 sensor circuit, or a problem releasing an old code?

--
Scott Fuller
Milwaukee, WI




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