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Home >> Chevrolet >> 2013 >> Tahoe LS, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2022 (Engine Controls/Fuel - 5.3L, 6.0L, 6.2L - DTC P0442 To DTC P3449 And Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> Electronic Ignition System Diagnosis >> Component Testing

Component Testing

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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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