GMC Sierra
P0442
The vehicle is experiencing a P0442 trouble code, indicating a small leak in the Evaporative Emission Control System (EVAP) on a GMC Sierra T1XX (2019-Present).
2 SolutionsP-CodePowertrain
P
Error Code Type
Powertrain
Components
1 affected
Fuel System
Symptoms
8 common
- •Check engine light illuminated
- •Fuel smell near the vehicle
- •Poor fuel economy
- +5 more
Most Affected Generations
1 generation
T1XX
2
Top Affected Components
1 component
Fuel System
2
Severity Levels
1 level
medium
2
Quick Facts
2
Total Solutions
1
Affected Components
8
Common Symptoms
1
Generations
All Solutions
Showing 2 of 2 solutions for error code P0442 across all generations.