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2001 Chevrolet 1500 Extended Crank Time

themassey8themassey8 Posts: 1
edited October 2014 in Chevrolet
I have a 2001 Chevrolet pickup with 5.3 V8 200,000 miles. When I have driven the vehicle and it sits for approximately 15 minutes you can crank for approximately 3-5 seconds without it starting, then try again and it cranks right up. If it sits for an hour or so or all night it starts like it should. I sent it to the local GM dealership and now have new fuel pump, fuel pressure regulator, and PCM and it still does it. They did figure out that my injectors are not powering up when it is not starting. It is getting fuel and fire but no life from the injectors. Has anyone else had this problem?
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