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sputter at hard acceleration

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psycho98gst

Probationary Member
15
0
Feb 12, 2004
Clifton, Colorado
i have a bad sputter at hard acceleration. i get a computer note that there is a miss fire. runs fine other than that. unsure if its a fuel problem or ignition. have 3 inch exhaust all the way back with a cat eliminator test pipe. could it be I need more fuel, bigger injectorsor could it be spark. i am using denso irridium and bosch wires. any input is helpful. THANKS!!!!
 
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