Tesla Model 3
P0174
The P0174 code indicates a "System Too Lean (Bank 2)" condition in a 2017-2023 Tesla Model 3, suggesting that there is an imbalance in the air-fuel mixture, with too much air and not enough fuel.
26 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
EngineFuel System
Symptoms
10 common
- •Check engine light illuminated
- •Poor acceleration or power loss
- •Rough idle or stalling
- +7 more
Most Affected Generations
1 generation
Highland
26
Top Affected Components
2 components
Engine
24
Fuel System
2
Severity Levels
2 levels
high
18
medium
8
Quick Facts
26
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 26 of 26 solutions for error code P0174 across all generations.