What's involved
What this repair actually is.
Each cylinder has a coil that turns battery voltage into the high-voltage spark that fires the engine. When one fails, that cylinder stops firing and the engine shakes and loses power. We confirm which coil failed, replace it, and verify the misfire is gone.
Symptoms
How you can tell.
- Check engine light on or flashing
- Engine shaking or running rough
- Noticeable loss of power
- Poor fuel economy
- Stalling or hard starts
If you delay
Driving on a dead coil sends raw fuel into the exhaust and can ruin the catalytic converter within weeks.
Maintenance tip
Replace plugs on schedule to extend coil life.
Educational estimate. Real pricing depends on your vehicle, the inspection, parts availability, taxes, and shop rates. Use this as a guide while you shop quotes.
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