Honda Civic
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" issue in a 2012-2015 Honda Civic, suggesting that there is an imbalance in the air-fuel mixture on bank 2 of the engine.
43 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 during acceleration
- +7 more
Most Affected Generations
3 generations
FC/FK
19
FL
16
FB/FC
8
Top Affected Components
2 components
Engine
41
Fuel System
2
Severity Levels
2 levels
high
27
medium
16
Quick Facts
43
Total Solutions
2
Affected Components
10
Common Symptoms
3
Generations
All Solutions
Showing 43 of 43 solutions for error code P0174 across all generations.