Possible Causes
WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| MUA TUBE DISCONNECTED OR LEAKING |
| CRANKCASE PRESSURE SENSOR HOSE LEAKING OR BROKEN |
| CRANKCASE PRESSURE SENSOR NOT FULLY SEATED |
| MAKE UP AIR (MUA) TUBE BROKEN |
| CRANKCASE PRESSURE SENSOR |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to: 2.0L - PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .