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Old 10-10-2012, 10:54 AM   #353
Scooby Newbie
Member#: 293300
Join Date: Sep 2011

2008 WRX
41,000 miles
misfires in cylinders 1,2,3, and 4 also bank 1 running lean.
no dealership trip yet because i live in BFE Louisiana and the closest dealership is forever away.
Took it to the shop i usually go to and changed out the O2 sensor, light went off for 2 days. Came back on this morning. The lights have been coming on since i put the new clutch in. FX300. Other mods to the car are Tsudo down pipe (catless) Invidia N1 down pipe back exhaust (catless) Perrin CAI, Perrin BOV. Pro tuned by AMS.
At first i was thinking the problem was my fuel injectors but i was assured by a subaru guru friend of mine that it wasnt and to change out the O2. Others have told me its my fuel pressure regulator but at the shop everything prety much checks out. Car idles a little rough but drives just fine. Sometimes they will just go off on their own. its not just the CEL everything goes off. My cruise control starts flashing, the CEL, the traction control it all just goes haywire. Could it be a wiring problem caused by taking off the heat shield when i put on the down pipe?
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