Possible Causes
WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
Possible causes are:
- Damaged DPFEGR sensor.
- Plugged or damaged pressure pickup tubes.
- Upstream or downstream pressure hose disconnected or improperly connected.
- Upstream or downstream pressure hose plugged (by ice).