Thread: JB4 and misfire
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      05-05-2012, 12:06 AM   #6
Mickey D
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Drives: 2015 AY M4 6sp
Join Date: Feb 2010
Location: Temple City, CA

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Quote:
Originally Posted by marv85
Quote:
Originally Posted by Mike335is
When should i expect to run into misfires and whats the relation between misfires and JB4. Excuse me ignorance!!
There is a sticky on the misfires and how to debug them . Usually it's either the coils packs , spark plugs or injectors . Components age , and when they age they became less efficient especially when you push them harder by running a tune...
I found people that replaced the plugs, coils, injectors and shortly after the car started to misfire again
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2015 AY M4, 6sp, KW V3, VFF 103, AWE non-Res, BMC filters, M-Performance Aero.
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