Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics


SPARK TEST
1. Remove the spark plug.
2. Connect the spark plug to the high-tension lead.
3. Hold the lead and spark plug with insulated pliers 5-10 mm (0.20-0.39 in) from a ground.

Checking for Spark:





4. Crank the engine and verify that a strong blue spark is visible.
5. If there is no spark, refer to Diagnosis by Symptom / No start or misfire.
Symptom Related Diagnostic Procedures