Thread: Bad MAF?
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#6: 06-23-2011, 04:14 PM
Title: Member
Location: Cranston, Rhode Island
Car: 2005 Legacy GT Stage 2
Posts: 93
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Since the post, the problem subsided. But earlier this week it reared it's ugly head again.

CEL keeps throwing a P0171 code.

The car runs rough at idle, fluctuating RPMS, sounds like it's trying to leave the hood.

I unplugged the MAF, set off a CEL, but the can runs smooth as silk. I plugged it back in, and it starts rough idling again. I purchased the MAF cleaner a few months back, but it's been a temporary fix.

I'm bringing it to my mechanic tomorrow and have him test for leaks.