12 13 Notes On Checking Ignition System

Troubleshooting

• Check for Fault in fuel injection system 
• Check for Spark plug faults 
• Check for Ignition coil faults 
• Check for Further fault patterns with evaluation 
• Check for Additional fault notes for troubleshooting 

Oscillograms

• Check for Normal oscillogram 
• Check for Oscillograms of ignition coils from different manufacturers 

Check

• Check for Secondary signal for stationary ignition distribution