Honda Pilot
P0420
The P0420 code indicates a problem with the catalytic converter's efficiency on a Honda Pilot Third Generation (2016-present). This code typically signals that the catalyst is not functioning as expected, which can lead to increased emissions.
60 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
Exhaust SystemEngine
Symptoms
10 common
- •Check engine light illuminated
- •Poor fuel economy
- •Reduced engine performance
- +7 more
Most Affected Generations
1 generation
3G
60
Top Affected Components
2 components
Exhaust System
56
Engine
4
Severity Levels
2 levels
high
33
medium
27
Quick Facts
325
Total Solutions
2
Affected Components
10
Common Symptoms
1
Generations
All Solutions
Showing 60 of 325 solutions for error code P0420 across all generations.