Re: 2005 GMC will crank but not start any ideas
I had a similar issue with my 03 2500 HD a few years back. I started it and back out of the garage to load some stuff in the bed and shut it off. Went to restart and it did nothing, no cranking or anything. My buddy who is a GM tech came over and did some testing. Turned out my ECM went bad and I had to have it towed to a GM dealer for replacement and reprogramming. Hopefully this is not your problem.
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