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Help with fault codes (misfires)....

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Old 06-30-2006, 04:16 AM
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Default Help with fault codes (misfires)....
Feels like I am in "limp mode". Wouldn't trouble codes "16684 - Mult Cyl Miss, and 16688(misfire cyl 4), 16689 (misfire cyl 5), 16690(misfire cyl 6)" cause limp mode?

Plugs were just replaced too...

Original coils packs and o2's.

Ideas?
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Old 06-30-2006, 04:50 AM
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What plugs @ what gap?
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Old 06-30-2006, 05:25 AM
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Bosch PFR6Q, NGP racing installed...not sure of gap.
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Old 06-30-2006, 05:31 AM
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Default "Bosch PFR6Q"? Aren't those NGK? Could be wrong. I thought they are one colder than stock NGK?
Might wanna start by looking into that, and the gap, might be off.

Was it doing this before these plugs were put in?
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Old 06-30-2006, 05:42 AM
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Default Re: "Bosch PFR6Q"? Aren't those NGK? I think your right....
Misfires were present prior to spark plug change. I'm stumped. Coil packs? o2's? MAF?
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Old 06-30-2006, 06:35 AM
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PFR6Q is OEM heat range . . . . PFR7B is the one heat range colder plug that AWE props
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Old 06-30-2006, 06:37 AM
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Thank you Sir. :-)
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Old 06-30-2006, 06:50 AM
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So being that I am Stg.1, am I running the wrong plugs?
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Old 06-30-2006, 06:53 AM
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Those are fine.
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Old 06-30-2006, 07:42 AM
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no codes on EGT? monitor block 034 and 035 and watch for Exhaust gas temp behavier
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