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1996 Chevy Truck Not firing

Tiny
JACKIELC30
  • MEMBER
  • 1996 CHEVROLET TRUCK
  • V8
  • 4WD
  • AUTOMATIC
  • 204,500 MILES
I was needing to know why my truck is turning over but not firing. I got out and checked to make sure I could here the fuel pump when I turned the key and it is. I used the truck and parked it for the weekend and now it won't start. Any ideas?
Monday, February 22nd, 2010 AT 11:25 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Do below to determine if its fuel or spark problem

If its cranking over and will not start:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 in away from ground 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 and computer. Note: If it doesn't apply disregard it
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Monday, February 22nd, 2010 AT 11:31 AM

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