GMC Troubleshooting Questions? Ask a Mechanic for Answers
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Have you checked for blown fuses?
Do you have a scan tool?
use the noid lights and check for injector pulse. I will be on in morning
OK. Let me know the results
Only thing I can think of is that the fuel system wasn't primed
The P0101 is mass air flow. You said you had hose off when starting No worries
The P0341 and P0342 Cam sensor performance. You said you replaced no worries
Clear the codes and see if they return
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