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Engine misfire question

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Old Aug 25, 2006 | 04:41 PM
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Default Engine misfire question

Recently, my car has developed a high rpm misfire. It happens at WOT and generally above 5000 RPM's. The strange thing is, is it only does it when the car has reached operating temperature. If I start the car when it's cold, and accelerate hard, it will not do it. Any suggestions?
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Old Aug 25, 2006 | 06:22 PM
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I also have a log file of the miss if it could help anyone. I am also not getting any misfire codes because the misfire only happens at WOT, and I understand the computer cannot read misfires during that time.
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Old Aug 25, 2006 | 07:23 PM
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https://ls1tech.com/forums/search.php?searchid=3828352

I tried a search on "high rpm" and "misfire" under internal and pcm.
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