Land Rover DTC P0442 – Evap System Small Leak Detected Fault
DTC P0442 meaning on Land Rover
DTC P0442 on a Land Rover indicates that the Evaporative Emission Control System has detected a small leak. This system is responsible for capturing and storing fuel vapors to prevent them from escaping into the atmosphere.
Land Rover DTC P0442 symptoms
Symptoms of a DTC P0442 on a Land Rover may include:
- Check Engine Light illuminated
- Gasoline smell near the vehicle
- Decreased fuel efficiency
Land Rover DTC P0442 causes
Common causes of a DTC P0442 on a Land Rover include:
- Loose or damaged gas cap
- Cracked or disconnected EVAP system hoses
- Faulty EVAP canister or purge valve
Land Rover DTC P0442 seriousness
While a DTC P0442 is not typically a serious issue that affects the drivability of the vehicle, it can lead to increased emissions and decreased fuel efficiency if left unresolved.
How to diagnose DTC P0442 on Land Rover
To diagnose a DTC P0442 on a Land Rover, a mechanic may perform the following steps:
- Inspect the gas cap for proper sealing
- Check EVAP system hoses for cracks or disconnections
- Test the EVAP canister and purge valve for proper operation
How to fix DTC P0442 on Land Rover
To fix a DTC P0442 on a Land Rover, you can try the following:
- Tighten or replace the gas cap
- Repair or replace damaged EVAP system hoses
- Replace a faulty EVAP canister or purge valve
How to erase DTC P0442 on Land Rover
After fixing the issue causing the DTC P0442 on a Land Rover, the fault code can be erased using an OBD-II scanner or by disconnecting the vehicle’s battery for a few minutes.