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  1. 10-24-2010, 07:31 PM #1
    andyramsaran
    andyramsaran is offline
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    Yellow
    2004 GTO

    Engine Miss Fire at Idle

    Need some help here I have some engine miss fire at ldle no vacume leak and new injector and mainfold and this was doing this before but i was told from GM Techline that Ls1 have alot off problems that valve seat drops and cause miss fire I don't buy this Also I'm a GM tech also engine only have 24k on it
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  2. 10-25-2010, 03:04 AM #2
    cammed goat
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    11 years of bangin gears cammed goat's Avatar
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    Phantom Black Metallic
    2004 GTO M6

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    Have you checked your coils and wires to see if they are damaged? I know I had a miss a few months after I bought my car. Turned out to be a broken wire at the plug boot. But the wire was still in the boot despite the conductor being broken.
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  3. 10-25-2010, 10:28 AM #3
    4thGenTA
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    black
    2002 firebird trans am

    Make sure that all your spark plug wires are on good and not loose....
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  4. 10-25-2010, 11:51 AM #4
    TLS_Addict
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    Like said, check your plugs/wires. Also, any modifications done to it?
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