PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

Need help!! Keep getting these codes!!!

Old Mar 10, 2014 | 04:50 PM
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Default Need help!! Keep getting these codes!!!

I just finished putting this car together and it wont idle, stalls, and very hard to start. Bought the hp pro and had some people help me with some tunes but i get these codes. Even if i clear them and turn the key back on to start, they come right back. I have checked wires, power and grounds. Its a new stand alone harness and my dyno guy says its a wiring problem. Does anyone have any ideas.
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Old Mar 10, 2014 | 05:59 PM
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Vehicle make, model, PCM being used? Where did you get the stand alone harness?
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Old Mar 10, 2014 | 06:29 PM
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6.0 sl1 ecu, ls2 intake cable throttle body, 4l70 trans in a 1967 camaro. Psi harness
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Old Mar 11, 2014 | 06:53 PM
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Got the cam sensor problem fixed but I'm still getting p0102 mass air circuit low frequency code. Checked all the wires and plug, swapped out mass air and still getting the code as soon as I start the car
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