Loss of spark or No Spark, is caused by anything that prevents coil voltage from jumping the spark plug gap. This includes worn, fouled or damaged spark plugs, bad plug wires or a cracked distributor cap.

Spark Plug Problems – Function – Failure Symptoms – Replacement
All spark plugs wear out as they age and at some point, will cause spark plug problems. Because, after enduring abuse for thousands of miles, you really can’t expect them, to last forever. Good spark […]