bank 1 and 2 lean codes p0171 174
I have lean codes bank 1 and 2. Car is 12 ctsv with cold air intake and cutouts. I cleaned the maf but the codes keep returning. Gonna do smoke test today but I don't get anywhere what next? Also has a dw 300 pump
bank 1 and 2 lean codes p0171 174
I have lean codes bank 1 and 2. Car is 12 ctsv with cold air intake and cutouts. I cleaned the maf but the codes keep returning. Gonna do smoke test today but I don't get anywhere what next? Also has a dw 300 pump
What fuel are you running? Does it have a flex fuel sensor or is it using virtual flex fuel?
What is your fuel pressure?
You'll want to look for intake leaks or exhaust leaks pre o2 sensor.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
1. Stock manifolds or headers?
2. Any other mods?
3.You should post your tune so people can take a look to see if anything looks weird.
2013 OBM A6 CTS-V Coupe
Mods: Headers back Billy Boat Exhaust, GripTec 2.65, 8.6 PowerBond Lower, LSX Innovations Solid Isolator, ID850's, NGK TR7IX's, Accel 9070CK Wires, Spectre CAI, SRI Ported Throttle Body, SRI Catch Can, NGK AFRM, 160* T-Stat, 0fx2gv Brick, Hard Line Delete W/3/4" Lines, FB 101 FMIC, Pierberg CWA50, Stoptech Drilled/Slotted Rotors, EBC Redstuff, Cut Stock Springs, Flat Bottom Steering Wheel
2006 Black Raven STS-V (Traded In)
Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm
Like PGA2B said, post tune and log so people can actually attempt to helpOriginally Posted by jknight24
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