P0171 CODE: Causes and Fixes, System Too Lean (Bank 1)
The diagnostic code p0171 happens when a lean mixture is detected by the front O2 sensors. Here you’ll learn everything you need to know about the P0171.
p0171
The diagnostic code p0171 happens when a lean mixture is detected by the front O2 sensors. Here you’ll learn everything you need to know about the P0171.