Thread: Persistent misfire cylinder 3 when hot, can't figure it out. DTC P303

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#3 Re: Persistent misfire cylinder 3 when hot, can't figure it out. DTC P303
Scottydoggs

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Killa Bee

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new jersey

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07-14-2015

how many miles? clogged cat will make the cel flash, and cause mis fires.

98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW

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