2000 Gmc 5.3 crank wont start
#1
The truck was running trans went. Pulled truck up on ramps pulled tranny replace with a rebuilt one. Now the truck will turn over but no start. The fuel pressure is over 55. All the fuses are good. I have checked and rechecked connections pulled starter too and unplugged and replugged crank sensor. I have no idea if the injectors are firing but the coils are not. I'm sure it's something I have done or did not do. Any thoughts yall?
#5
had similar problem years ago- pulled on crank sensor wires to hard removing starter....one got damaged couldn't tell
#7
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#10
ok updates. got noid lights from az. no injector lit. got no fire from any coil, but I can spray starter fluid in and it will stumble makes no sense to me. While fighting with this it fired up once for about 2 seconds. Also, the security light only blinks when the key is in and the door is open. when I crank the truck the light goes out.






