P04DB - Crankcase Ventilation System Disconnected
P04DB - CRANKCASE VENTILATION SYSTEM DISCONNECTED
| Description: |
This DTC sets when the crankcase pressure sensor is disconnected. |
| Possible Causes: |
- Disconnected hose from crankcase to one side of the crankcase pressure sensor
- Disconnected hose from intake manifold to one side of the crankcase pressure sensor
- Damaged or pinched PCV hose o-ring seal
- Damaged oil level indicator o-ring seal
- Incorrectly installed oil level indicator
- Incorrectly installed oil cap
- Disconnected or damaged vacuum lines between the engine and any vacuum operated components
|
| Diagnostic Aids: |
Verify the integrity of the PCV system. |
| Application |
Key On Engine Off |
Key On Engine Running |
Continuous Memory |
| All |
GO to Pinpoint Test HG
. |