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Old 11-18-2018, 10:09 PM   #1279
sly
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Join Date: Dec 2015
Drives: 2016 Cosworth 2.2 BRZ
Location: TN
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Quote:
Originally Posted by gtengr View Post
Removed the MAF, cleaned it (didn't appear dirty), and the car runs great again. I get the feeling this isn't over though. Why would a MAF with 11k miles on it (always stock airbox and filter) be dirty? Are the oil vapors from the PCV able to travel upstream during certain throttle conditions and foul it?

I have an idle log, but it's 0.2 mb too big for datazap. Short term fuel trims were around -16% but varied. Sent the idle log to my tuner (Delicious).
Trade you your rich code for my lean code. I still can't figure out why I'm throwing P0171
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