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Originally posted by tad:

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The first thing you need to do is check the lamda settings. It is possible that if the lambda was set with a bad o2 sensor and now you have one that is reading correctly the engine could be running to rich or lean. If you do'nt now how to check the lamda I can walk you thru it, although you will need some tools such as a digital amp meter and an eha test harness. The harness can be purchased thru your m/b dealer. Also why was the o2 sensor replaced?



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tad