1998 GMC Safari no spark

1998 GMC SAFARI
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RIGIDRIDE
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  • 2 POSTS
Electrical problem
1998 GMC Safari 6 cyl Four Wheel Drive Automatic 240k miles
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no error codes,cam sensor is fine,crank sensor is fine,power to coil but no pulsed ground, it happened very suddenly while driving,could it be the passkey malfunctioned? ignition module? or is spark controled buy the ecm?
Aug 10, 2008 at 12:18 AM
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MMPRINCE4000
  • ✓ASE Certified Mechanic
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  • ASE Certified Mechanic
Sounds like the ign. module. They can suddenly fail, or run fine when cool then when engine gets hot they will fail.
You can get the ign. module tested at most auto parts stores.
Aug 14, 2008 at 6:32 AM
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