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Backfire? Misfire? Loose Coil Pack - Changed Plugs

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Old 01-05-2009, 11:45 PM
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Default Backfire? Misfire? Loose Coil Pack - Changed Plugs

I have had my kit on for over a year now and had blown a turbo as spoken about in previous thread - YES IT AND EBAY KIT - It runs great BUT - I was driving and heard a loud "POP" or "BANG" which has happened before with a boost leak. All clamps look fine. Now when I drive it backfire or misfires dont know differnce - only when i let off the gas - No real loss in power or anything - just a lil hicup when lettign off the gas - I replaced the plugs and runs MUCHHHH better but still has a lil hicup the it didnt have any other times before this - I am just worried about the sound - No knocking or blown pistons - I have 550cc Daetchwerks injectors on the way and have decided to make this post to determine if I need new coil packs - Any one have the OBX ones? And diff or gains??? thanks!
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Old 01-05-2009, 11:59 PM
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could just be u running rich....
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Old 01-06-2009, 12:41 AM
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stick with the factory coils.

do you have a CEL? check for misfire codes. if you have a bad coilpack odds are you'd also get a cel of some kind.

do you have a wideband gauge? i see your in NY and it will lean out a tad in cold weather. keep an eye on that.
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Old 01-06-2009, 11:22 AM
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sound like a little rich maybe should retune
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Old 01-06-2009, 11:49 AM
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i'm no expert at all, but just from what you said about the plugs and it running better after you changed them, I would think it is running rich and all that extra fuel dampened the spark plugs (which would explain it running better after putting in new ones). just my two cents.
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Old 01-06-2009, 09:58 PM
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thanks guys!
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