Rear oxygen sensor

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Apr 5, 2011 | 06:24 PM

9632tl

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From: Roseburg, Oregon

Rear oxygen sensor

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

Apr 5, 2011 | 08:49 PM

tmnhs81

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

Apr 6, 2011 | 12:10 AM

9632tl

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From: Roseburg, Oregon

That's what I thought.

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