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 Post subject: missfire after 6000 rpms
PostPosted: Sat Feb 04, 2012 7:59 pm 
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Joined: Sat Aug 27, 2011 6:23 am
Posts: 230
I just installed a 2001 b20z2 in my 1989 Honda civic hatch (originally dual point). obd 0 odb 2 injectors stock ls ecu. Car ran fine for a month with a 50 shot and all then randomly the car has a large loss in power and it sputters/misfires at 6000rpms on the mark every time. The car has a random misfire at idle and will sometimes randomly die or idle very low. I have no idea what it could be here is a list of what i have tried and/or replaced

new distributor
new plugs
new cap
new rotor button
new coil
checked fuel filter
checked to be sure all injectors where clean
checked tps
checked fuel pressure regulator
checked gas tank by pulling sending unit (very clean) no reason to beleave pump sock is clogged.
my last guess is the pump is bad and not giving enough pressure. i don't have the fittings to test this on a running car. but the pump works every time with no issues. why would it randomly become week and just that? tis why i dont beleave this is the problem.

_________________
89 ef b20z2 with 92 gsr (b17) trans
Fidanza 7.5 lb flywheel
Exedy full disc sprung disc clutch
50 shot wet.
ls ecu running stock ls tune
Hasport mounts
Hasport shift linkage

fastest pass 9.023 @ 82 mph


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 Post subject: Re: missfire after 6000 rpms
PostPosted: Sun Feb 05, 2012 8:43 pm 
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Joined: Wed Jan 18, 2012 10:05 pm
Posts: 6
Location: Lakeland, florida
Glad it was a simple fix Kevin!


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 Post subject: Re: missfire after 6000 rpms
PostPosted: Mon Feb 06, 2012 9:45 pm 
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Joined: Sat Aug 27, 2011 6:23 am
Posts: 230
hell ya for any of you wondering the intake rocker and the far left of the number one cylinder came off

_________________
89 ef b20z2 with 92 gsr (b17) trans
Fidanza 7.5 lb flywheel
Exedy full disc sprung disc clutch
50 shot wet.
ls ecu running stock ls tune
Hasport mounts
Hasport shift linkage

fastest pass 9.023 @ 82 mph


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