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)

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Checking Ignition Spark





Checking Ignition Spark
- Ignition off.
- Disconnect one spark plug cap.
- Put a new spark plug into the cap.
- Place the spark plug against the engine.
- Operate the starter motor and check if there is a spark at the plug.
- Is there a spark?

Yes:
^ Proceed to: Checking Rotor, Distributor Cap and Spark Plugs section.

No:
^ Proceed to: Checking the Engine Speed (RPM) Sensor Signal section.