Join Date: Jul 2011
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Okay so heres the deal, I recently bought my first Subaru. Its a 2002 WRX with 73k on it. I love the car aside from this major issue I cant seem to figure out. First off it has the check engine light is on and heres the codes that came up:
1590 idle speed control
1507 idol speed
0170 bank one lean
Now when you drive the car, it runs good until it decides to fall on its face. i dont know how to explain it other than its like hitting a brick wall. It also likes to die sometimes when sitting at a stop. It seems to be completely random as to when the car does this, and it seems to be getting worse. The car is also under boosted running at about 7 pounds and feels a little slugish due to this. I did just replace the MAF sensor and put a new air filter on it since i had the codes run. The car has a cold air intake and a knock off HK blow off valve. I also know the emissions have been removed from the car and it is otherwise stock. A friend of mine said the under boosting could be because of boost leaking out of the blow off valve, but I dont think that could explain it falling on its face. Could it be a throttle body going bad? Anyway just looing for some help as to what it probably is rather than spending a bunch of time and money just replacing things that it coulld be.
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