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Old 08-13-2009, 03:59 PM
lkchris lkchris is offline
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Join Date: Jun 1999
Location: Albuquerque, NM USA
Posts: 1,947
Think where your O2 senors are.

They are "downstream" of everything.

Many O2 sensor "codes" are caused by the O2 sensor getting a mixture it can't handle. This does NOT mean the O2 sensor is bad.

Many times this is bad MAF sensor. MAF failure is VERY common on M112/3.
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Kent Christensen
Albuquerque
'07 GL320CDI, '10 CL550. '01 Porsche Boxster
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