Acura MDX
P0420
The P0420 code indicates that the catalytic converter's efficiency is below the threshold for the Acura MDX YF3 (2022-Present), suggesting a possible issue with the catalytic converter, exhaust system, or oxygen sensors.
1 SolutionP-CodePowertrain
P
Error Code Type
Powertrain
Symptoms
6 common
- •Check engine light illuminated
- •Decreased fuel efficiency
- •Engine misfire or rough idle
- +3 more
Most Affected Generations
1 generation
YF3
1
Severity Levels
1 level
medium
1
Quick Facts
1
Total Solutions
0
Affected Components
6
Common Symptoms
1
Generations
All Solutions
Showing 1 of 1 solution for error code P0420 across all generations.