Question

2003 Land Rover Discovery with engine code P0174, what does Oxygen Sensor System too lean Bank B Mean?

Answer 1

HI there,

This code means no matter what it does the computer cannot make the fuel mix proper on bank 2. This is usually caused by an intake manifold leak or the front 02 sensor on bank 2.

Answer 2

P0174 LAND-ROVER - System Too Lean Bank 2

Read more: https://www.autocodes.com/p0174_land-rover.html