Diagnostic Test

WARNING: This page is about a different car, the 2015 Fiat 500. However, it is still accessible from the selected car via links, so may be relevant.

CHECK THE CRANKCASE VENTILATION HOSE

Visually inspect the crankcase ventilation hose for the following:
- Poor sensor fitting
- Disconnected at the connections points
- Holes or breaks in the hose
- Pinched hose or restriction in the hose
Were any issues found with the crankcase ventilation hose?

Yes
- Perform the appropriate repair.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST, 16V Turbo .
No
- Replace the Crankcase Pressure Sensor in accordance with the Service Information.
- Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST, 16V Turbo .