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Re: P0174 and P0171 codes
Those are lean codes and if your only at 45psi your running lean. I believe gm wants 55-60psi at a minimum. Corvette regulator most guys use is preset for 58psi. Where's the regulator on your setup?
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67 C10 2wd Stepside (to be fleetside), Factory AC truck, Big Back Window, just got a 6.0/6l90e to jam in it now.....
Needed: paint and lots of it. and i'm sure lots more misc. parts.
Project 67 short step Build Thread
01 Sierra Crew 6.0
2015 Ford F150 Work gave me truck i really wouldn't buy a ford.
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