DTC P0442 - EVAP System Leak Detected (Small Leak)
P0442 - EVAP SYSTEM LEAK DETECTED (SMALL LEAK)
| Description: | This DTC sets when a small fuel vapor leak is detected by the EVAP running loss monitor test. | ||
| Possible Causes: |
|
||
| Diagnostic Aids: | Check for a missing fuel filler cap or the integrity of the cap (if equipped). Verify the capless fuel tank filler pipe is sealed correctly (if equipped). Install and remove the supplemental fueling adapter five times in the capless fuel tank filler pipe to clear debris on the seal. Refer to the Owner Literature for the location of the supplemental fueling adapter in the vehicle. Check for loose or damaged vapor hoses. Visually inspect the EVAP canister inlet port, EVAP canister vent valve filter, and canister vent hose assembly for contamination or debris. |
||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST HX . | ||