The engine control module (ECM) checks the evaporative emission control system (EVAP) for these situations:
- Some kind of leak.
- Excess vacuum.
- There is a flow of purges under uncommanded conditions.
- Fuel level and pressure sensors are failing.
POST UPDATED IN February, 2023
The engine control module (ECM) checks the evaporative emission control system (EVAP) for these situations:
A code P0442 may have one or more of the following problems:
To solve the DTC code P0442, you can check the following components: