Honda Civic
P0401
The vehicle is experiencing a P0401 EGR insufficient flow code, indicating that the Exhaust Gas Recirculation (EGR) system is not functioning properly in a Honda Civic 9th Generation (2012-2015).
2 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Exhaust System
Symptoms
7 common
- •Check engine light illuminated
- •Rough idle or stalling
- •Poor acceleration or loss of power
- +4 more
Most Affected Generations
1 generation
FB/FC
2
Top Affected Components
1 component
Exhaust System
2
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
1
Affected Components
7
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code P0401 across all generations.