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SVT Shelby GT500
WHat 02 sensors are you running?
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<blockquote data-quote="builttodrive" data-source="post: 15589764" data-attributes="member: 167200"><p>I have gotten a P0139 code (left rear o2 sensor) periodically ever since installing long tubes and going to E85 but was told this was a trade off to having the long tubes and E85. I clear it as it comes on about once each tank of fuel. Annoying but no ill affects so I just ignore it. I recently had a P0159 code come on (right side rear o2 sensor) and this time I glanced over at my wideband gauge and it is ramping up and down fast from 12.5-17.5 and I can feel the car surge a little. It does this for a few seconds and then throws the light. Afterwards everything seems to be normal. Clear the code and it does it again the next time I drive it. I assume it is my rear o2?</p><p></p><p>What's the better o2's to buy Motorcraft? NTK's?</p></blockquote><p></p>
[QUOTE="builttodrive, post: 15589764, member: 167200"] I have gotten a P0139 code (left rear o2 sensor) periodically ever since installing long tubes and going to E85 but was told this was a trade off to having the long tubes and E85. I clear it as it comes on about once each tank of fuel. Annoying but no ill affects so I just ignore it. I recently had a P0159 code come on (right side rear o2 sensor) and this time I glanced over at my wideband gauge and it is ramping up and down fast from 12.5-17.5 and I can feel the car surge a little. It does this for a few seconds and then throws the light. Afterwards everything seems to be normal. Clear the code and it does it again the next time I drive it. I assume it is my rear o2? What's the better o2's to buy Motorcraft? NTK's? [/QUOTE]
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WHat 02 sensors are you running?
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