Are you running a speed sensor...VSS and is it hooked up. AFR shouldnt be 12.4 at idle or part throttle ...maybe WOT
Are you running a speed sensor...VSS and is it hooked up. AFR shouldnt be 12.4 at idle or part throttle ...maybe WOT
Vortec Performance Tuned
LQ9 built 4L60 LTs and a billion miles on the speedo!
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