P0300, P0301, P0303, P0305 after engine warms up

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Nov 23, 2011 | 08:29 PM

#21

clubairth1

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From: home

Thanks very much! I stand corrected and learn something new. That is a good picture.
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Nov 24, 2011 | 03:53 AM

#22

JagV8

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From: Yorkshire, England

Cats are able to withstand exhaust gases at their normal (rather high) temperature. Cats are unable to withstand the much higher temperature of burning fuel/air mixture which is present due to a badly-running engine (such as with misfires).

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