p0300 random misfire!!!!

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Apr 30, 2009, 07:22 AM

REDEVO1113

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p0300 random misfire!!!!

Please help me out, I have this dreaded 300 code that will not go away. Also I have a emmisions test coming up next month. I really don't know what I should do next. I have tried taking It back to my tuner, and still I get the check engine light with the 300 code. Maybe I should try taking it back to my tuner again. What do you guy's think?

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Apr 30, 2009, 08:07 AM

MEVOLV3

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search button, there is a bible on this topic

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Apr 30, 2009, 08:08 AM

chrisw

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in the ECUFLash forum there is a thread about how to turn off that test entirely while maintaining the ODBII readiness state needed to pass emissions.

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Apr 30, 2009, 03:39 PM

evoluvinevo

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when does the misfire occur? under what conditions?

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Apr 30, 2009, 04:21 PM

Evo9tunerz

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do you have aftermarket cams?

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Apr 30, 2009, 04:35 PM

5leeper

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Quote:

Originally Posted by chrisw

in the ECUFLash forum there is a thread about how to turn off that test entirely while maintaining the ODBII readiness state needed to pass emissions.

that is a good idea.. do what he said