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Old 10-28-2011, 05:49 AM
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HUMTECH HUMTECH is offline
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Join Date: Sep 2003
Location: Canada
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Default Re: misfire p3000 after catalytic converter replace

Oh and im assuming you have it supercharged. Was the repair done at a dealer? Maybe they reprogrammed your pcm thinking the updates would help and wiped out you ecm tune for the charger...
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1987 Jeep YJ 403hp sbc 653hp on NOS
1998 Chev Z71
2007 Chev Trailblazer SS
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