Toyota Corolla
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" issue in your 2019-2024 Toyota Corolla E210, meaning the engine control module (ECM) has detected an excessively lean air-fuel mixture on bank 2 of the engine.
60 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
EngineFuel System
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle or stalling
- •Loss of power during acceleration
- +7 more
Most Affected Generations
3 generations
E170
22
E210
20
E140
18
Top Affected Components
2 components
Engine
52
Fuel System
8
Severity Levels
2 levels
high
40
medium
20
Quick Facts
63
Total Solutions
2
Affected Components
10
Common Symptoms
3
Generations
All Solutions
Showing 60 of 63 solutions for error code P0174 across all generations.
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