Spark Plug Replacement Cost for Cadillac CTS

Spark Plug Replacement Estimate (National Average)

Validated estimate range for national average.

The average cost for a Spark Plug Replacement is between $309 and $408. Labor costs are estimated between $237 and $300 while parts are priced between $72 and $108. Get a personalized estimate based on your location and specific car. Estimate does not include taxes and fees.

Parts & Labor Breakdown
Labor: $237 - $300
Parts: $72 - $108
Estimate does not include taxes and fees.
Best Practices

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

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 Cadillac.

Common Symptoms

Failing spark plugs can cause the Cadillac CTS'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.

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