1996 Chevy Astro wont start after being turned off

Tiny
ANNIEPPL
  • MEMBER
  • 1996 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Our 1996 Chevy Astro van with a 4.3 Is giving me fits. It starts fine about 95% of the time. But sometimes after being driven and then turned off it will not start again but if you let it sit a couple hours it starts fine again any Ideas?
Monday, October 5th, 2009 AT 2:38 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi there annieppl and TY for the donation this is what keeps the site going

Next time it refuses to start don't wait immediately do below to identify if its fuel or spark problem

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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Monday, October 5th, 2009 AT 4:24 PM

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