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View Full Version : Intermittant cyl 2 miss fire???? help!!!



Murrayspeed
08-28-2011, 03:59 AM
Hey guys i'm totally new to forums but anyways i have an 07 speed3 with a cp-e TBE, cp-e FMIC, forge bpv, mazdaspeed CAI, COBB AP stage 2 FMIC v1.08 and every once in a while for the last week when under boost it will miss and flash a cyl 2 miss fire i tried switchinfg coil packs and plugs and still the same problem... running NGK laser iridiums. its wierd bacause the car will run fine for a few hours then out of the blue will miss?? and advice???? i have a data long open on exel on my mac but cant figure out how to get it posted on this thread could use some help with that 2 haha im better with a wrench than i am with a computer.

pearl3
08-28-2011, 04:10 AM
Mazdaspeed cai version 1 or 2? Should upgrade ur fuel pump to Hpfp before mapping on stage 2?? I'm not too sure. Best to ask fobio or fastdude (speed experts).

Murrayspeed
08-28-2011, 04:17 AM
ok and im not sure on the intake??? its not a short ram the filter is behind my drivers side tire with a splash gaurd on it and i have heard about upgrading the fuel pump its holding above 1700 psi at WOT. i will do it soon anyways it is next on my list

Booostin
08-28-2011, 11:09 AM
ok and im not sure on the intake??? its not a short ram the filter is behind my drivers side tire with a splash gaurd on it and i have heard about upgrading the fuel pump its holding above 1700 psi at WOT. i will do it soon anyways it is next on my list

post on mazdaspeedforums ... they will definitely know whats wrong

chris.joh
08-28-2011, 11:58 AM
post on mazdaspeedforums ... they will definitely know whats wrong

What he said lol