first check the wire of it , whether it is cut off or not? else change it.
Bad spark plug, bad spark plug wire
Spark plug may be bad or coil may have went bad.
bad spark plug wire.
bad plug bad plug cap stator
If the car will not start...the spark-plug is bad.
Could be, Fouled spark plug, Bad spark plug wire, Bad fuel injector (if applicable), Bad coil on plug (if applicable), Burned valve, No or low compression, Bad distributor cap & rotor,
Yes. If the ignition is malfunctioning, the spark plug will not ignite. A bad ignition module, a bad spark plug or a bad plug wire are the most common causes of that (besides a bad battery, of course).
disconnected plug, bad plug, shorted plug, corrosion inside plug, missing plug
Spark plug wire not connected to spark plug? Spark plug wire connected to Wrong spark plug? Vacuum line disconnected? Bad spark plug or wire?
poor spark plug gap bad wires or weak coil or bad spark plugs
A bad fuel injector poppet, a bad spark plug, a bad spark plug wire, a bad distributor cap and rotor.
If you know that there is spark at the distributor cap then I would think it would be bad spark plug leads.