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Cel = Limp Mode?

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Old Oct 3, 2004 | 09:15 PM
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Blitzbaster02
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Cel = Limp Mode?
A few people told me that my check engine light for my rear 02 (no cat) affects performance. Has anyone ever heard anything about this?
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Old Oct 3, 2004 | 09:25 PM
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ya but i think its bull5hit...
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Old Oct 3, 2004 | 09:40 PM
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P0420 code does not ,I repeat does not affect performance.
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Old Oct 3, 2004 | 09:43 PM
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what code is that? (no cat?)
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Old Oct 3, 2004 | 09:51 PM
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Yes, P0420 .... catlytic efficiency is below threshhold.

Meaning rear O2 sensor is picking up more CO and HC than normal if your cat-less.

Other H/F cat spits this code to but less often.
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Old Oct 3, 2004 | 10:15 PM
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Originally Posted by Nad1370
P0420 code does not ,I repeat does not affect performance.
I agree
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Old Oct 3, 2004 | 10:38 PM
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I got rid of the cat on my car over 30,000 miles ago. no problems so far. you may need an afc of a xede to control your fuel.
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