FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Symptom Related Diagnostic Procedures

SYMPTOM / PROBABLE CAUSE

Engine will not start or is hard to start
- Incorrect ignition timing.
- Ignition Coil faulty.
- Power Transistor faulty.
- Ignition Control Module faulty.
- High Tension Cable faulty.
- Spark Plugs faulty.
- Ignition wiring disconnected or broken.

Rough idle or stalls
- Spark Plugs faulty.
- Ignition wiring faulty.
- Incorrect ignition timing.
- Ignition Coil faulty.
- Power Transistor faulty.
- High Tension Cable faulty.

Engine hesitates or poor acceleration
- Spark Plugs faulty.
- Ignition wiring faulty.
- Incorrect ignition timing.

Poor mileage
- Spark Plugs faulty.
- Incorrect ignition timing.

Engine overheats
- Incorrect ignition timing.