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Thanks! it was an O-2 sensor (archive)
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Posted by Steve on March 19, 2002 at 17:58:21:

In Reply to: Re: In need of the list of check engine light code posted by GBaugh on March 18, 2002 at 13:00:51:


I also have a '94 740IL. That is a single code 1222 (they are 4 digits). It is the #2 lambda control which could be just about anything. Usually vacuum leak somewhere from my experience. I just went through the process of tracing vacuum leaks and replaced the intake manifold gaskets, the front and rear manifold covers and most of the vacuum lines. Problem solved.
A good source for the code list is
www.bonnevillemotorwerks.com

My 94 740il just started to run rough and gave me a check engine light. I pulled the codes (5x on the gas)and came up with #12 & 22. The archive shows a link to a site with the list thats not there any longer.

If anyone could post the code list I'd appreciate it.

Steve





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