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Its using a lot of gas and runs rough at times. SES light came on and the code is po141.

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That code means that the Ox2 sensor is bad or a wire has broken to it (most likely a bad Ox2 sensor). It is the Bank 1 sensor 2 Ox2 sensor See picture for location. its using a lot of - mcneb_22.jpg

Posted on Mar 13, 2011

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The GLS with a 3.4 engine is running rough. It will idle high (sounds like a chain saw) with lots of exhaust. It will "hiccup" going 60 mph. The service engine light comes on when it...


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