Trouble code P0171 means: Fuel System Lean (Bank 1)
Trouble code P0401 means: Exhaust Gas Recirculation Malfunction
711925
The Lincoln Navigator keypad entry code can be found in the back of the owners manual. You can only use the keypad entry code once and then you will have to enter your personal entry code.
Each vehicle that has keyless entry has its own code
Trouble code P0171 means: System too lean (Bank 1)
Trouble code P0171 means:System too lean (Bank 1)
Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2) Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1)
Trouble code P0171 means: System Too Lean (Bank 1)
Trouble code P0171 means: Bank 1 Combustion Too Lean
Trouble code P0171 means:System too lean (Bank 1)
Trouble code P0171 means:System too lean (Bank 1)