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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  • 1 POST
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 9, 2019 at 9:06 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,709 POSTS
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 3:32 AM
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