What's involved
What this repair actually is.
Old spark plugs are removed and replaced with the correct heat range and gap for your engine.
Symptoms
How you can tell.
- Rough idle
- Hard cold starts
- Misfire codes
- Decreased fuel economy
If you delay
Misfires can damage catalytic converters — a much pricier repair.
Maintenance tip
Iridium plugs typically last 60k–100k miles.
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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