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misfiring/stuttering at high boost (20+ psi)>>

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Old 08-31-2007, 07:01 PM
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Default save yourself the aggravation...if your coilpacks are all about the same age...just replace them

all while you're at it. faster and less headaches. its worth it. coilpacks aren't going to break the bank...and besides, if you don't change the okay ones...they may fail on you a week/month or months down the road.

i got stutter on high boost. changed plugs and coilpacks and that went away.
Old 08-31-2007, 08:30 PM
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Do I need to change the post cat O2 as well? or just the pre cat will be fine? Thx.
Old 09-01-2007, 04:07 AM
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Looks like errors on both to me..
Old 09-01-2007, 06:35 AM
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check your vag-com for misfires.
Old 09-01-2007, 11:08 AM
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Default I'm thinking the post cat sensor may be due to the fact that I'm running a test pipe>>

with the angled block adapter. "No activity" maybe it's not picking up any flow?
Old 09-01-2007, 05:58 PM
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Default works for me. look at what Wayne recommends as far as the direction of the angle. i believe

he suggests doing the angle from a certain way. i haven't had a CEL yet after installing my test pipe.
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