Fuel Pressure Relieving - Between The Fuel Tank and The Engine

Fuel Pressure Relieving - Between the fuel tank and the engine

Between the fuel tank and the engine

WARNING
Compressed natural gas is flammable and highly explosive. You could be killed or seriously injured if leaking natural gas is ignited.
Stop the engine, and keep heat, sparks, and flames away.

This procedure should be done outside in a well-ventilated area or in a properly equipped CNG shop.

This procedure will allow you to safely work on any part of the fuel system downstream of the fuel tank such as the fuel joint block or the manual shut-off valve.

NOTE: Make sure the manual shut-off valve is open.

1. Remove the rear seat. Rear Seat Removal/Installation

2. Disconnect the fuel subharness 6P connector (A) (this prevents the tank from supplying fuel to the system).

3. Start the engine, and let it idle. After a few minutes, the engine will stall.

4. Turn the ignition switch to LOCK (0).