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2002 honda accord misfires

  

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Im trying to help my roomate out and need help!! He has a 2002 honda accord 3.0 and has 5 cylinders misfiring and a po401 exhaust gas recerculation flow insufiant code..how can i solve this!! Please help, n thank u , its got a lot of miles on it, new spark plugs are in and nothing else new was added..


Maybe egr gunked up?


Please list ALL codes.


2 Answers
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Try to replace the coils and if that don't work it could be the distributor or the computer


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Start here -

https://carkiller.com/scottykilmer/qa/misfire-4/


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