car is throwing code 71,72,73,74

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Nov 21, 2002 | 02:32 PM

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djphillies

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car is throwing code 71,72,73,74

that means my car has a missfire on all 4 cyl. need help. please

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Nov 21, 2002 | 02:34 PM

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djphillies

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ttt

it is a 99 si just rebuilt just cant get that right

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Nov 21, 2002 | 08:10 PM

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C VeX

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misfire

did you alter your injectors? it happen to my car when i change my injectors to 310cc. my d16y8 threw all of those four codes(misfire) . when i pulled out my plugs, it was all wet(too rich) but thats all i know..

Nov 21, 2002 | 10:48 PM

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djphillies

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that's a 45 code, already had that one. the injectors are stock

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