P1442 EVAP Canister Purge System Vacuum Switch Malfunction
What does P1442 mean on a Honda?
P1442 — EVAP Canister Purge System Vacuum Switch Malfunction. This Honda-enhanced code applies to Civic, Accord, CR-V.
Common causes of P1442
- Failed purge vacuum switch
- Open or shorted switch circuit
- Blocked vacuum signal hose
- Corroded switch connector
- ECM input fault
How to fix P1442
- Test vacuum switch operation with a hand pump
- Check the signal hose for blockage
- Verify circuit wiring
- Inspect the connector
- Replace the switch per test data