Possible Causes
WARNING: This page is about a different car, the 2002 Mazda B4000, 2002 Mazda B3000, and 2002 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- VPWR circuit open.
- EVAP canister purge valve circuit shorted to ground.
- Damaged EVAP canister purge valve.
- EVAP canister purge valve circuit open.
- EVAP canister purge valve circuit shorted to VPWR.
- Damaged PCM.