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:
- Open EGRVR circuit.
- Open VPWR circuit to EGRVR solenoid.
- EGRVR circuit shorted to VPWR.
- EGRVR circuit shorted to GND.
- Damaged EGRVR solenoid.
- Damaged PCM.