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CEL stays on, flashes when I am over 4000 rpm?

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Old 03-24-2011, 01:39 PM
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CEL stays on, flashes when I am over 4000 rpm?
CEL says 2nd cylinder misfire possible when put on the computer. Drives fine. Planning on getting a tuneup at the end of this week. What I am wondering about though is how the check engine light starts flashing when I go above 4000 rpms. After I shift to a higher gear it no longer flashes. Any ideas?!
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Old 03-24-2011, 01:42 PM
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Miles on the car? Plugs / coils replaced ? Compression test?

Need much more info.
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Old 03-24-2011, 01:52 PM
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Rebuilt engine with 38k on it. Have not replaced plugs/ coils yet. Those are my first guess though. Just wanted to see if anyone else has had this kind of problem with it! Thanks!
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Old 03-24-2011, 04:08 PM
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lots of people have this problem if they don't keep up with maintenance
I would recommend change plugs/ coils every 20-25k miles
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