Improved Spark Plug Wires for Misfire Issues: Subaru WRX Engine & Powertrain

Problem overview

Sometimes the Check Engine Light illuminates because the computer detects misfires. Subaru released an improved spark plug wire set to solve the problem. The ignition coil should also be inspected for carbon tracks or short circuits between the contacts

11 people reported this problem

2 comments

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Subaru WRX vehicles with this problem

7 model years affected

Average mileage: 97,500 miles

(30,000 - 174,000)

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Improved Spark Plug Wires for Misfire Issues on Subaru WRX

Problem overview

Subaru WRX vehicles with this problem

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Ask our experts about your Subaru.