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Old 10-10-2012, 06:30 PM   #1
Scooby Newbie
Member#: 333368
Join Date: Sep 2012
2002 WRX

Default P1507 Help...!

Hey guys I have a 2002 Subaru Wrx completely stock except for a motorsport exhaust (had it for 5yrs no probs) Now I recently installed a aftermarket BOV and apparently it was not bolted correctly to the adapter for the tmic. After accelerating quickly and shifting into fifth gear the BOV popped off and was un-attached from the fmic adapter. The car lost acceleration power and got the check engine light. I pulled over and noticed the BOV un attached I figured it was the only problem. I uninstalled it and installed the OEM BOV and scanned the cel code. The cel code given was P1507. I reset the ecu and let the car rest. I drove it this morning and it seemed to run fine for about 5 miles then the Check engine light came up again with the same code. The car runs rough and accelerates on its own when idle. Any ideas, help?
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Old 10-10-2012, 06:59 PM   #2
Uncle Scotty
*** Banned ***
Member#: 16200
Join Date: Mar 2002
OK buy Nates beans


idle air control valve issue

search it
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Old 10-12-2012, 06:27 PM   #3
Scooby Specialist
Member#: 111565
Join Date: Apr 2006
Chapter/Region: W. Canada
Location: Winnipeg
2007 Legacy Spec.B
324hp/313tq EVOIII 16G


P1507 can also be triggered by a bad neutral position switch, after replacing it my code went away.

http://forums.nasioc.com/forums/show....php?t=1196685 <- check this thread for more info on p1507
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