Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics


Spark Test:
1. Disconnect the high-tension lead from the spark plug.
2. Connect a new spark plug to the high-tension lead.




3. Hold it with insulated pliers approx. 5-10 mm ( 0.20 - 0.39 in ) from a ground.
4. Crank the engine and verify that a strong blue spark is visible.