2005 GMC Sierra 1500 Q&A
2005 GMC Sierra 1500 Question: Are you sure P0137 is Bank 2 Sensor 1?
Everywhere esle I look, this code is Bank 1 Sensor 2. You are stating just the opposite. - Visitor
all i know its a knock sensor they are both the same but its way cheaper to do it yourself - Kendall V.G.