Thread: 08 idles and runs bad

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  1. #1 Re: 08 idles and runs bad 
    Killa Bee Scottydoggs's Avatar
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    the misfire is most likely your plugs are shot, and the wires, you have the icm and coils replaced already.

    a dirty TB will just make it run rough and a rough idle and stalling, hard starts.

    when i bought my car i had a po300, plugs and wires fixed that.

    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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  2. #2 Re: 08 idles and runs bad 
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    That's what i meant, replace the plugs and wires and clean the maf and throttle body.
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