1991 Chevy Silverado wont'start

Tiny
ERIEMOOSE2006
  • MEMBER
  • 1991 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 12,600 MILES
Bought a new battery and the truck started fine. Mov ed the truck the next day and after 20 minutes went to start it and it wouldn't start. Interior lights work but would not crank. Any suggestions would be appreciated. Thanks
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Saturday, October 10th, 2009 AT 8:46 AM

2 Replies

Tiny
RASMATAZ
  • MEMBER
If the engine is cranking over and will not start do below

Disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, cap and rotor /distributor pick-up coil, ignition control module, ECM, Ignitor camshaft and crankshaft sensors- Note: If it doesn't apply disregard it
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Saturday, October 10th, 2009 AT 10:01 AM
Tiny
RASMATAZ
  • MEMBER
If the engine is cranking over and will not start-do below to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Saturday, October 10th, 2009 AT 7:25 PM

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