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U7191 throwing a P0171 lean code on Vette
Posted: Thu Jan 19, 2012 11:30 pm
by rowdync
Here is what I got. '05 Vette. Air Raid CAI. FAST 102 intake, LG long tube headers, 2 1/2 inch X pipe with SLP loudmouth 2 exhaust. I just put the headers on and all was fine until that. Running the 91 octane tune and now throwing a P0171 (Bank 1 too lean) code. Any advise to fix this. Was told by the local Diablo sport dealer to ditch the tuner in favor of HPtuner. Running 91 tuner due to Oklahoma gas is 91. 93 is hard to find.
RE: U7191 throwing a P0171 lean code on Vette
Posted: Fri Jan 20, 2012 12:55 am
by 06MonteSS
you need to get a custom tune done for your predator/car, that's all...
and who was that dealer??
Re: RE: U7191 throwing a P0171 lean code on Vette
Posted: Fri Jan 20, 2012 4:47 pm
by smokestack
06MonteSS wrote:you need to get a custom tune done for your predator/car, that's all...
and who was that dealer??
Yes. Bad dealer. Even if you got HPtuners. Its a huge learning curve. Your mods would take awhile for you to figure out and get it right. I say you need to talk to 06MonteSS and shoot him some logs. Get a custom tune. Then if you want get HPtuners and start learning and reading. And reading some more. But for now let him help you.