6th Generation Civic 1996 - 2000 In the years from 1996 to 2000 Honda released it's 6th Generation Civic.
Chassis codes: EK9, EK4, EK3, EJ6, EJ8, EJ9, EM1

misfire at high rpms

 
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Old Jan 12, 2012
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misfire at high rpms

i have a 1999 honda civic hx with a cat back exhaust and a short ram intake. i have noticed that i get an flashing check engine light in really high rpms on the highway. and it goes away if i slow down. what could it be?
Old Jan 12, 2012
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Re: misfire at high rpms

How high a RPMs..are you redlining it?
Old Jan 12, 2012
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Re: misfire at high rpms

Also check the code..the ECU should store them so you can pull it still.
Old Jan 12, 2012
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Re: misfire at high rpms

its has a p1399 pending code. and it happens around 5-6k rpms
Old Jan 12, 2012
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Re: misfire at high rpms

i beleive that is a random misfire code..check your plugs and make sure they are gapped right and all that jazz..
Old Jan 12, 2012
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Re: misfire at high rpms

i have checked them with in the last couple months and everything looked perfect.
Old Jan 13, 2012
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Re: misfire at high rpms

It only does this when you run "really high Rpms"? How high are you talking?

I dont want to have you start checking and replacing peices in your ingnition system to find out its only coming on to let you know your abusing it
 
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