no spark no injector pulse no communication to pcm

204,041 MILES
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JOHNDEARMON
  • MEMBER
  • 1 POST
changed pick up coil, coil, crank sensor checked fuses relays wiring as much as can see by eye looked at ground diagram checked those tried pcm off running vehicle same year and engine this one has me puzzled a little history dont think it will matter much truck ran few months ago had bad trans pulled trans out truck sat about four months replaced trans and this is where im at no start any ideas
Oct 4, 2012 at 11:29 AM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,812 POSTS
Did you try plugging in a scan tool to see if it can communicate with the PCM?
Oct 4, 2012 at 11:37 AM
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