Check Engine Light Due to Failed Knock Sensor on Subaru Impreza WRX STI

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.

RepairPal Verified
Average mileage: 32,000 (32,000–32,000)
Engine affected: 2.5L 4 Cylinder Turbo
7 model years affected: 2004, 2005, 2006, 2007, more2008, 2009, 2010
9 people reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
Viewing 1 - 1 of 1 problem details
2010 Subaru Impreza WRX STI - 2.5L 4 Cylinder Turbo 32,000 mi,
low voltage knock sensor. crazy sporadic readings pulling timing and lowering DAM replaced