- Tag and disconnect the spark plug wire from the spark plug.
- Remove the spark plug and install the spark plug wire.
- Ground (do not hold spark plug) the spark plug; check if spark occurs while engine is being cranked.
Crank the engine for no more than 5-10 seconds at a time to prevent flooding the engine with gasoline.
- If good spark does not occur, follow the correct diagnostic flow chart (engine and year) and necessary service procedures.