Honda Pilot
P0420
The Honda Pilot has illuminated the check engine light and is displaying the diagnostic trouble code (DTC) P0420, which indicates a problem with the catalytic converter's efficiency.
60 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
2 affected
Exhaust SystemEngine
Symptoms
10 common
- •Check engine light illuminated
- •Decreased fuel efficiency
- •Engine stalling or rough idle
- +7 more
Most Affected Generations
1 generation
YF4
60
Top Affected Components
2 components
Exhaust System
57
Engine
3
Severity Levels
2 levels
high
42
medium
18
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.
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