Spark Plug

Spark Plug Operation:

An ignition component threaded into the cylinder head that contains two electrodes extending into the cylinder that form a gap across which high-voltage electricity arcs to ignite the compressed air-fuel mixture.

How To Instructions:

Inspect - Check for obvious problems.
Service - Do the jobs that fix your car.
Replace - Out with the old, in with the new.
Conditions - Read what might be wrong.

Automotive Glossary
Check out one of the largest dictionaries of automotive terms
on the internet.

label.common.footer.alt.autozoneLogo