CODE P0171 EXPLAINED ON CHEVY, CHEVROLET, GMC, BUICK, CADILLAC ENGINE LIGHT ON

CODE P0171 EXPLAINED ON CHEVY, CHEVROLET, GMC, BUICK, CADILLAC ENGINE LIGHT ON ► Great Car Scanner: ► Check out our Amazon Store for the tools and parts that we use: If your car engine light is on and you have code P0171 and you have Chevrolet, Chevy, GMC, Buick, Cadillac car we will explain the top reasons why you may have code P0171 and what needs to be done to fix code P0171. Code P0171 stands for: P0171 Fuel Trim System Lean Bank 1. I