Signs your spark plugs may be worn
Common symptoms include rough idle, hesitation, hard starting, engine misfires, poor acceleration and an illuminated check-engine light.
Spark Plug Replacement in West Fargo
Spark plugs ignite the air-fuel mixture inside the engine. Worn or fouled plugs can contribute to misfires, rough running, weak acceleration and reduced fuel economy.
Ignition-system inspection
Because similar symptoms can come from ignition coils, fuel delivery or engine-management issues, diagnosis should come before replacing parts.
Restoring dependable performance
Correct spark plug replacement can help restore efficient combustion, smoother operation and reliable starting when worn plugs are the cause.
Related Engine and Diagnostic Services
We also provide engine repair, check-engine diagnostics and fuel pump repair for drivability and starting concerns.
Spark Plug Replacement FAQs
Can worn spark plugs cause a check-engine light?
Yes. Worn or fouled plugs can cause misfires that trigger the check-engine light.
Will new spark plugs fix every misfire?
No. Misfires can also result from ignition coils, fuel-delivery problems, vacuum leaks or internal engine concerns, so diagnosis is important.
Do you serve Fargo and Moorhead?
Yes. FM Engine Repair LLC serves West Fargo, Fargo, Moorhead and nearby Cass County communities.