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06-25-2011
my dummy light popped on. Im running code 0172; rich bank 1. I've checked and double check and I don't have vacuum leaks. I've checked my wires and they are good, maf is relatively new, as is tps. Plan on checking plugs tomoro. May have an small exhaust leak at the Y-collector pipe. What else do I need to check to fix this problem? I'm getting rocker arms and springs installed tomoro and I don't want any problems.
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
06-25-2011
Are you on a stock tune?
Originally Posted by W-Body Store
06-25-2011
Zzp tune
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
06-25-2011
It sounds to me like your front O2 sensor might have gone bad.
Originally Posted by W-Body Store
06-25-2011
My fuel pressure is at 45psi when idle. I beleive thats where its supposed to be but if not thats prob part of the problem.
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
06-25-2011
Really? I replaced it a few months ago w a Denso O2. But I think I have a spare so I'll switch it and see if that helps.
OverKilled, HAI, Ported Throttle body, Ported intake, ZZP DP, Magnaflow, BMR ta's, GMPP STB's, CCS springs, tinted tailights, roof rails, TEP cool'r, G8 hood. Glass Gearbox.
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