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4.3 wont start

Tiny
WORLEY57
  • MEMBER
  • 1993 GMC C1500
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 104,567 MILES
1993 gmc 4.3 z motor spark@ coil but no spark @ plugs. Is thier an stock anti-theft spark control maybe? Replaced ign. Module, newer egr plenty of gas @ carb. Turns over no start
Friday, November 19th, 2010 AT 9:15 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
If you have spark at the coil, the only thing it goes through from there is the cap, rotor and wires. Check those and use a spark tester to be sure about how strong you spark is.
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Friday, November 19th, 2010 AT 9:18 PM

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