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Old 12-14-2012, 06:41 PM   #1
racerdane
Scooby Newbie
 
Member#: 330644
Join Date: Aug 2012
Location: Colorado Springs
Vehicle:
2004 WRX
blue

Default help me please misfire that i can not figure out

ok so i've read just about every misfire thread and i still can't figure out my problem so here it go's: 2004 wrx completely bone stock throwing a p0301 code for a couple months I've tried swapping coils and plugs it didn't work...the car has a rough idle at times and stutters a little at take off also the whole car surges when accelerating quickly so i was thinking injector but then today it also threw a p0303 and that is about where i got confused so i tested for vacuum and intake leaks and it seems to be all good i don't know what to do so if you can help i definitely need it lol.
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Old 12-14-2012, 07:42 PM   #2
quazimoto
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Chapter/Region: MAIC
Location: Da-boonies,Va
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Old 12-16-2012, 12:02 AM   #3
TheRedStig
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Member#: 339781
Join Date: Dec 2012
Location: Arkansas
Vehicle:
2002 WRX Sedan
Silver

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Has that thread helped mate? My problem seems to have ended up being a bad coil pack CONNECTOR...mine was mostly broken and thusly loose. Also gap your plugs at .24. I did those two things and bam, no check engine in 1300 miles since.
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Old 12-16-2012, 08:34 AM   #4
quazimoto
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I don't recommend gapping plugs at .24. The factory range is .028-.032 and is completely fine.
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