- Mark and disconnect the spark plug wires.
- Remove the spark plugs.
- Connect the spark plugs to each spark plug cable.
Ground the spark plugs.
WARNINGTo prevent gasoline from being injected from injectors during this test, crank the engine for no more then 5-10 seconds at time.
- Check is spark occurs while engine is being cranked.
If spark is not observed at each of the spark plugs, reinstall the spark plugs and refer to the Ignition Spark Diagnostic Chart for additional test procedures.