No spark coil number three

1997 MITSUBISHI TRITON
133,000 MILES • 3.0L • 6 CYL • 4WD • MANUAL
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TONY TONY TONY
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Coil number three no spark, but tests okay. changed coil and ignition module even though they tested okay. got 12 volt crank and cam sensor test okay. what can cause no spark at number three coil three and six cylinders? thanks
Jun 10, 2019 at 4:06 AM
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STRAILER
  • ✓ASE Certified Mechanic
  • 54,832 POSTS
  • ASE Certified Mechanic
This will be bad wiring or bad ECM. To confirm here is a guide to help test the trigger to the coil to confirm the failure:

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Please run down this guide and report back.
Jun 11, 2019 at 10:32 AM
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