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02-27-2006, 12:53 AM
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#1 | |
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AF Newbie
Join Date: Feb 2006
Location: Etobicoke
Posts: 1
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Fault Codes -2000 740i
The Check Engine light comes on usually after a highway drive of 100 km or more. It then goes off. The fault codes " Multiplicative Mixture Adaption - Bank1 and Bank 2" are recorded. I have changed the O2 sensor, plugs but it still repeats. There is no noticeable reduction in fuel economy and no symptoms when running.
Any suggestions? Last edited by alinetobicoke; 02-27-2006 at 12:57 AM. Reason: Incorrect model year |
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02-27-2006, 02:37 PM
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#2 | |
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AF Regular
 Join Date: Oct 2005
Location: SOLON, Ohio
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Re: Fault Codes -2000 740i
Check for vacuum leaks around intake. It must be something that affects complete engine because you have faults for both banks
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03-08-2007, 02:56 PM
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#3 | |
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AF Newbie
Join Date: Mar 2007
Location: erie, Pennsylvania
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Re: Fault Codes -2000 740i
you might want to check the air flow meter
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