Rough idle, misfires, or a check engine light that won't clear?
Worn spark plugs and failing ignition coils cause misfires, rough idle, poor fuel economy, and can trigger a check engine light. We diagnose which cylinders are affected and replace plugs and/or coils to get the engine running smooth again.
Same-Day Service Available — Call or Text for Availability
At A Glance
Time On Site
1–2 hours, depending on engine layout
Service Area
Suffolk County, NY — select Nassau availability
We Come To You
Home, office, or curbside — appointment only
Signs You Need This
- Rough idle or the engine shakes at a stop
- Noticeable misfire or hesitation under acceleration
- Check engine light with a misfire code
- Reduced fuel economy
What's Included
- Diagnostic scan to identify affected cylinders
- Spark plug replacement
- Ignition coil replacement as needed
- Post-repair scan to confirm codes clear
How much does spark plug or ignition coil replacement cost?
Pricing depends on your engine layout (cylinder count) and whether coils need replacing along with the plugs. Call or text your year, make, and model and what the car is doing, and we'll confirm pricing after a diagnostic scan.
Spark Plugs & Ignition Coils in Suffolk & Nassau County
Spark Plugs & Ignition Coils is available throughout Suffolk County — our primary service area. We're also able to accommodate select Nassau County appointments depending on location and scheduling — call or text to confirm coverage before booking.
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Ready to Book Spark Plugs & Ignition Coils?
Send us your year/make/model and what it's doing — Same-Day Service Available — Call or Text for Availability