one day the truck decided not to start anymore, the engine is clearly cranking but it wont start, i changed the fuel pump and the fuel filter but the truck still does not start. if you know of any other reason why the truck would do this please tell, any advice or information will be helpful.
engine is cranking but not starting on 1991 GMC S15 Jimmy
by hollander62292 in Trenton, NJ on August 11, 2010
1 answer 2 comments
ANSWER by sts_rider on August 11, 2010
Have you checked to see if you are getting spark?
COMMENT by hollander62292 on August 11, 2010
i dont think i have, how would i do that?
COMMENT by jaymz285 on August 18, 2010
If you have a timing light or know someone who does that would be the easy way. Hook it up and pull the trigger while cranking the engine if it pulses you have spark. Test more than one wire. A spark plug tester could also be used.