Ford F-150
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" condition in a 2015-2020 Ford F-150. This means that the engine control module (ECM) has detected that the air-fuel mixture is too lean on bank 2 of the engine.
24 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
EngineFuel System
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle or stalling
- •Reduced engine power
- +7 more
Most Affected Generations
2 generations
P415
18
P558
6
Top Affected Components
2 components
Engine
23
Fuel System
1
Severity Levels
2 levels
high
20
medium
4
Quick Facts
84
Total Solutions
2
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 24 of 84 solutions for error code P0174 across all generations.