Ignition System: Service and Repair

Notes On Checking Ignition System

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

Oscillograms
- Normal oscillogram
- Oscillograms of ignition coils from different manufacturers

Check
- Secondary signal for static ignition distribution (special tool 12 7 030)