Toyota RAV4
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" condition on a 2019-2024 Toyota RAV4 (XA50). This code suggests that the engine control module (ECM) has detected an excessively lean air-fuel mixture on the second bank of the engine.
25 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
EngineFuel System
Symptoms
10 common
- •Check engine light illuminated
- •Decreased engine performance
- •Rough idle or stalling
- +7 more
Most Affected Generations
2 generations
XA40
16
XA50
9
Top Affected Components
2 components
Engine
22
Fuel System
3
Severity Levels
2 levels
high
18
medium
7
Quick Facts
85
Total Solutions
2
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 25 of 85 solutions for error code P0174 across all generations.