CNG Removal
WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Refer to FUEL DELIVERY, CNG, WARNING .
- Perform the CNG fuel system purge. Refer to FUEL TUBE PURGING - CNG .
- Disconnect the IAT sensor (2)
- Remove the air cleaner upper cover (3) and clean air tube (1) at the throttle body as an assembly.
- Remove the lower air cleaner housing assembly.
- Remove the lower air cleaner housing mount (2).
- Remove the PCM bracket (2) from the inner fender (1) and position aside.
- Disconnect the battery negative cable.
- Disconnect the CNG shut-off relay (3).
- Remove the high pressure line (2) from the regulator (1).
- If required, remove the high side inlet fitting (1) from the pressure regulator (2).
- Remove the filter from the inlet fitting.
- Disconnect the high pressure sensor electrical connector (3).
- Disconnect the high pressure shut down solenoid electrical connector (9).
- Lower the cooling system to the proper level.
- Remove the cooling lines at the regulator (8).
- Remove the low pressure supply line at the fuel rail.
- Remove the nuts (3) that mount the regulator (2) to the bulkhead.
- Remove the bolts (4) that mount the regulator (1) to the bracket (3).
- Remove the low side supply line (2).
- If required, remove the low side elbow (2) from the pressure regulator (1).