Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Symptom Related Diagnostic Procedures


ENGINE CRANKS BUT WILL NOT START
1. Defective ignition coil
2. Defective Crank Angle / TDC Sensor
3. Faulty spark plugs
4. Ignition timing setting
5. Defective Power Transistor


IMPROPER ENGINE IDLING OR STALLING
1. Faulty Spark plugs
2. Ignition timing setting
3. Defective ignition wires
4. Defective Crank Angle / TDC Sensor
5. Defective ignition coil
6. Defective Power Transistor

POOR ACCELERATION
1. Ignition timing setting
2. Faulty spark plugs
3. Defective ignition wires

ENGINE OVERHEATING
1. Ignition timing setting