Rear oxygen sensor

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04-05-2011, 06:24 PM

9632tl

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Rear oxygen sensor

Can a faulty rear (post-cat) oxygen sensor effect mpg?

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04-05-2011, 08:49 PM

tmnhs81

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Nope. That sensor is there only to monitor catalyst efficiency.. No effect on MPG's.

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04-06-2011, 12:10 AM

9632tl

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That's what I thought.

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