1987 Chevy S-10 won't fire

Tiny
ROBERT H. QUARLES,JR.
  • MEMBER
  • 1987 CHEVROLET S-10
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
While driving the engine died and won't restart. The computor has been tested and is good. What else will keep the engine from firing?
Wednesday, July 28th, 2010 AT 8:51 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Pick your symptom:

**Cranks but no start condition:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 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, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it.

**No crank at all/nothing/nada when key is engage to starting position

Could be a blown fusible link, the starter, starter relay, park and neutral switch/transmission position switch and ignition switch assuming the battery and connections are good. Note:If it doesn't apply disregard.
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Wednesday, July 28th, 2010 AT 11:04 PM

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