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12 13 Notes On Checking Ignition System

Troubleshooting:

  1. Fault in fuel injection system.
  2. Spark plug faults.
  3. Ignition coil faults.
  4. Further fault patterns with evaluation.
  5. Additional fault notes for troubleshooting.

    Oscillograms:

  6. Normal oscillogram.
  7. Oscillograms of ignition coils from different manufacturers.

    Check:

  8. Secondary signal for stationary ignition distribution.