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Old 01-07-2013, 05:44 PM   #26
V8Slayer
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Member#: 111565
Join Date: Apr 2006
Chapter/Region: W. Canada
Location: Winnipeg
Vehicle:
1999 Legacy 2.5GT
2007 Legacy GT Spec-B

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Which sensor did you tap into? Your SAFC should be wired into the maf sensor.
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Old 01-08-2013, 04:42 PM   #27
mduck
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Member#: 338901
Join Date: Nov 2012
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AHA! running good again, obviously my mistake i had tapped into the wrong ecu wire, i had got pin 3 as the maf signal somewhere online.. after checking the service manual it turns out it is pin 5, wires are the same colour scheme..
Anyways now everything is running smooth, time for tuning! and more boost !!!
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Old 02-18-2013, 02:43 PM   #28
mduck
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Member#: 338901
Join Date: Nov 2012
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New problem has come up, i installed a 06 wrx intercooler and opened up the hood scoop. Everything seems to be working nicely until i turn the boost up!

Up to 5 psi the car accelerates fine and everything, so i turned it up to about 7-8 psi and under acceleration (when it boosts over 5 pounds) it sometimes stumble and cuts out.. oh and air fuel sits around 11 at WOT, even when studdering..

Feels like its stops running on all cylinders for a second, sometimes its pulls fine but most of the time it studders like a missfire! so i checked the codes and found a missfire on cylinder 3..

Took the plugs out, they looks fine, nice and brown, closed the gap up a bit, and checked the intake piping and intercooler for leaks and still does the same thing.. seemed like it wasnt doing it befor i put the intercooler on but then again i never ran over 5 psi without it..

Any thoughts ? im not sure where to start here, im wondering if it could have something to do with maf or oxygen sensor(i recently changed it) or something, coil pack isnt old either and it always runs fine under 5 psi lol
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Old 02-19-2013, 11:01 AM   #29
monkeyposeur
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Member#: 333468
Join Date: Sep 2012
Chapter/Region: RMIC
Location: SLC, UT
Vehicle:
93 SS
Black Pearl

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I had a similar issue with stumbling. I swapped in a new MAF and it went away. I'd try cleaning yours first.
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Old 02-25-2013, 08:36 PM   #30
mduck
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Member#: 338901
Join Date: Nov 2012
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okay, so i cleaned the maf and filled up with 94 octane, ran really well for umm.. 20 minutes... i was doing about 120 mph down the side road when i look down a my temp gauge and there it goes, up and up, bye bye headgaskets!

oh well, winter is nearly over ! time to take out the summer vehicles, should i fix the car or scrap it...
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