Symptom Related Diagnostic Procedures

ENGINE CRANKS BUT WILL NOT START
1. Faulty spark plugs or ignition wires
2. Faulty high voltage distributor cap or ignition rotor
3. Defective ignition coil
4. Defective ignition switch
5. Defective primary ignition wiring
6. Defective ignition amplifier module


IMPROPER ENGINE IDLING OR STALLING
1. Faulty spark plugs or ignition wires
2. Faulty high voltage distributor cap or ignition rotor
3. Defective ignition coil
4. Defective primary ignition wiring

POOR ACCELERATION
1. Defective secondary ignition wires
2. Faulty high voltage distributor cap or ignition rotor
3. Defective ignition coil
4. Defective ignition amplifier module


SPARK KNOCK (PINGING)
1. Poor grade fuel
2. Defective centrifugal advance mechanism
3. Engine overheating