LT1-LT4 Modifications 1993-97 Gen II Small Block V8

P0441, P0174 ...and a misfire code ...help!!!!!!!

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Old 06-03-2008, 07:20 AM
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Default P0441, P0174 ...and a misfire code ...help!!!!!!!

I just cannot seem to get rid of this misfire, i have done plugs,wires,opti and new o2s and it helped a lot but its still misfiring. I am getting an incorrect purge flow code, a misfire in cylinder 2 (p0302} and a "sytem to lean in bank 2" P0174. Are these codes related or are they own seperate problems? And witch one is the culprit for the misfire? HELP i am so frustrated right now!! haha
Old 06-03-2008, 04:07 PM
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check for vacuum leaks especially at the pcv valve hoses and all other vacuum lines its a major problem and will cause misfire. check for burnt wires and if you want change plug at cyl. 2
Old 06-03-2008, 08:01 PM
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