Ford F-150
P0401
The P0401 code indicates an insufficient EGR (Exhaust Gas Recirculation) flow in your 2021-present Ford F-150, which can lead to increased emissions and poor engine performance.
4 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
10 common
- •Check engine light illuminated
- •Reduced engine power
- •Rough idle or stalling
- +7 more
Most Affected Generations
2 generations
P702
2
P415
2
Top Affected Components
1 component
Exhaust System
4
Severity Levels
1 level
medium
4
Quick Facts
4
Total Solutions
1
Affected Components
10
Common Symptoms
2
Generations
All Solutions
Showing 4 of 4 solutions for error code P0401 across all generations.