Check Engine Light Due to Failed Knock Sensor on Subaru WRX STI
Problem overview
The Check Engine Light may illuminate because of a failed knock sensor. Although the sensor often tests okay, it can fail intermittently, while the vehicle is being driven.
9 people reported this problem
1 commentSubaru WRX STI vehicles with this problem
Average mileage: 32,000 miles
(32,000 - 32,000)
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