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Subaru Impreza Outback Problems

Check Engine Light Due to Failed Knock Sensor on Subaru Impreza Outback

Problem Description and Possible Solution

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.

(8 people reported this problem)

Subaru Impreza Outback Vehicles With This Problem

RepairPal Verified
Average mileage: 148,000 (148,000–148,000)
Engine affected: 2.5L 4 Cylinder
5 model years affected: 2000, 2001, 2002, 2003, more2004
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