Porsche Cayenne
P0456
The P0456 code indicates a small leak in the evaporative emission control system (EVAP) of a 2018-Present Porsche Cayenne E3. This code typically arises due to issues with the fuel system, EVAP system components, or associated hoses.
2 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Fuel System
Symptoms
5 common
- •Check engine light illuminated
- •Fuel smell near the vehicle
- •Poor fuel economy
- +2 more
Most Affected Generations
1 generation
E3
2
Top Affected Components
1 component
Fuel System
2
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
1
Affected Components
5
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code P0456 across all generations.
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