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Spark plugs ignite the fuel-air mixture that powers your engine. At Mr. Lube USA, we replace worn plugs to restore efficiency and performance.
Typically every 30,000–100,000 miles, depending on type and manufacturer.
You may experience misfires, poor mileage, or trouble starting.
Yes, misfires from bad plugs can harm your catalytic converter.
No, platinum and iridium plugs last longer but cost more.
It’s best to replace all plugs at once for even performance.
