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PO141 code 850 1997

posted by  KlausC on  Sat May 20 10:31 CST 2006
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

That's the rear O2 sensor. It may be triggered by running too rich because if a leak in the vacuum system. Check all of the vacuum line elbows for cracks and spongy feeling. The O2 sensors are expensive, so it will be worthwhile checking other things first. Sometimes cleaning the throttle body and PCV hoses clears things up.

Klaus
--
(V♂LV♂s 1975 164, 1995 854T, 1998 V70R)






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