Toyota Tacoma
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" condition in a 2016-Present Toyota Tacoma N300, which suggests that the engine is not receiving the proper air-fuel mixture.
23 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Engine
Symptoms
10 common
- •Check engine light illuminated
- •Rough idle
- •Decreased fuel efficiency
- +7 more
Most Affected Generations
1 generation
N300
23
Top Affected Components
1 component
Engine
23
Severity Levels
2 levels
high
12
medium
11
Quick Facts
23
Total Solutions
1
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 23 of 23 solutions for error code P0174 across all generations.