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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 2.0L (LTG) - DTC P0446 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> Electronic Ignition System Diagnosis >> Component Testing

Component Testing

NOTE: You must perform the Circuit/System Testing before proceeding with Component Testing.
  1. Ignition OFF, connect the EL 26792  HEI Spark Tester to the appropriate T8 Ignition Coil.
  2. Engine Running.
  3. Verify the spark output of the T8 Ignition Coil.
    • If no output or the output is weak 

      Replace the T8 Ignition Coil

    • If the output is good 
  4. All OK.
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