Spark Plug Wire
Critical For OperationIgnition System
Connects the spark plug or ignition coil to the vehicle’s electrical system.
The spark plug or coil wire carries the electrical current from the ignition coil to the spark plug, allowing the spark plug to ignite the air-fuel mixture in the engine’s cylinders and produce combustion.
⚠️ Owners Often Notice
If the Spark Plug Wire is starting to fail, these are the signs owners most commonly report before it gets worse:
Engine misfires
Poor throttle response
Check engine light
Rough idling
Related Services
Services commonly performed on or around this part.
Replace Spark Plug Wire(s)
No standard interval on file
Inspect Spark Plug Wire(s)
No standard interval on file
Test Spark Plug Wire(s)
No standard interval on file