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Lexus SC430 Spark Plug Replacement Cost

The average cost for a Lexus SC430 Spark Plug Replacement is between $201 and $278. Labor costs are estimated between $105 and $134 while parts are priced between $96 and $144. Estimate does not include taxes and fees.
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How Much Does a Spark Plug Replacement Cost?

Spark Plug Replacement Service and Cost

Best Practices

To prevent ignition misfires and Check Engine Light problems, we recommend using only high-quality spark plugs, and preferably spark plugs from Lexus.

Spark plugs have different ratings and it's important that the correct type are used.

Spark plug terminals wear down over time and can lead to engine misfires. At minimum, they need to be replaced at the mileage specified by Lexus.

Common Symptoms

Failing spark plugs can cause the Lexus SC430's engine to run rough and misfire, which can trigger the Check Engine Light. Continuing to drive under these conditions can damage the catalytic converter.

Most Common Lexus SC430 Repairs

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