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2 bad oxygen sensors affect performance?

You haven't said which sensors are suspected as bad? You will most definitely get a code with test pipes for the 2 post cat sensors, these sensors are not used

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Old 09-14-2011, 07:26 AM   #7 (permalink)
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You haven't said which sensors are suspected as bad? You will most definitely get a code with test pipes for the 2 post cat sensors, these sensors are not used in fuel mix calculations, merely to monitor cat performance. The 2 pre-cat sensors are wide band and monitor the fuel mix, although under WOT you should be in open loop. You can also get a performance code warning for the O2 sensor if the gasket does not seal or blows out.
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