1992 Chevy Blazer ENGINE WON'T START AGAIN AFTER IT'S BEEN

Tiny
TERI9820
  • MEMBER
  • 1992 CHEVROLET BLAZER
  • V8
  • 4WD
  • AUTOMATIC
  • 18,000 MILES
My engine won't start up again right after it's been running for awhile. It will start again after it cools for about 45 mins.I changed the starter thinking it was probably the solenoid, but it still does it. I now thinking that maybe it's the ign switch. Any thoughts?
Thursday, June 24th, 2010 AT 3:12 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Lets do below for a start to determine if its fuel or spark related issue and get back with some results

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 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, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Friday, June 25th, 2010 AT 1:50 AM
Tiny
TERI9820
  • MEMBER
  • 1 POST
I also have been noticing that my ignition key is quite warm when I remove it from the cylinder. I forgot to mention this yesterday. :)
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Friday, June 25th, 2010 AT 1:08 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the ignition switch is failing get it tested
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Friday, June 25th, 2010 AT 1:56 PM

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