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snowdrifter 09-12-2013 11:22 AM

P0171 left bank lean
i have a 02 rex with a bull shit aftermarket intake, godspeed turbo inlet, godspeed aluminum y pipe, td05 16g turbo, 255lph CNT Racing high-flow/pressure fuel pump, and fuel filter, Cobb a.p.t., and a Borla hush cat back i have had my car in and out of the shop almost daily for the past two months and i am still popping the cel P0171 for lean left bank i have done smoke tests and cleaned my maf and checked the voltage to my o2 sensors and everything seems to be running fine but i still pop this code i dont sputter or stall out but it dose pop the P0171 evey once in a while i might drop idle from 6 to 400 but it goes right back to normal i am stumped and i am still new to the wrx land and the land of turbos and awd

PLEASE HELP what do i need to do for it to run right
i want to do this :beatentod to the car every time the code pops

snowdrifter 09-12-2013 11:22 AM

this is driving me nuts i am up for any ideas that might fix the problem

turmic 09-12-2013 07:27 PM

[quote=snowdrifter;354362] Cobb a.p.t., [/quote]

Did you mean Cobb DP or Cobb AP?
Secondly, are you tuned for your mods?

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pzr2874 09-13-2013 07:06 AM

I can almost guarantee it's something with that globspeed stuff. Do you happen to have the stock y-pipe and inlet around?

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