P0300, P0301, P0303, P0305 after engine warms up

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#21

11-23-2011, 08:29 PM

clubairth1

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Thanks very much! I stand corrected and learn something new. That is a good picture.
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#22

11-24-2011, 03:53 AM

JagV8

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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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