Crankcase Ventilation System Inspection/Diagnosis
WARNING: This page is about a different variant/trim than selected.
| Symptom |
Correction |
| External oil leak |
Inspect for any of the following conditions:
- Restricted positive crankcase ventilation (PCV) orifice
- Restricted or kinked PCV hose or engine vent hose
- Damaged, incorrect, or incorrectly installed PCV orifice or hose
- Excessive crankcase pressure
|
| Rough Idle |
Inspect for any of the following conditions:
- Restricted PCV orifice
- Restricted or kinked PCV hose or engine vent hose
- Leaking (damaged) PCV orifice or hose
- Vacuum hoses worn or not properly installed
|
| Stalling or slow idle speed |
Inspect for any of the following conditions:
- Restricted PCV valve
- Restricted or kinked PCV hose or engine vent hose
- Leaking (damaged) PCV valve or hose
|
| High idle speed |
Inspect for a leaking (damaged) PCV orifice or hose |
| Sludge in the engine |
Inspect for any of the following conditions:
- Restricted PCV orifice
- Restricted or kinked PCV hose or engine vent hose
|