Tools Required

J 41416 Ultrasonic Leak Detector

1. Relieve the CNG fuel system pressure. Refer to Fuel Pressure Relief .

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

2. Disconnect the negative battery cable.
3. Remove the underhood alternative fuels components as a complete assembly. Refer to Alternative Fuel Module Assembly Replacement in Engine Controls-2.2L (LN2) in the J Platform Service Manual. .
4. Remove the fuel injector. Refer to Fuel Injector Replacement in Engine Controls-2.2L (LN2) in the J Platform Service Manual.

1. Install the fuel injector. Refer to Fuel Injector Replacement in Engine Controls-2.2L (LN2) in the J Platform Service Manual.
2. Install the underhood alternative fuels components as a complete assembly. Refer to Alternative Fuel Module Assembly Replacement in Engine Controls-2.2L (LN2) in the J Platform Service Manual.
3. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical in the J platform service manual.
4. Start the engine. Inspect for CNG fuel leaks at each serviced fitting using the J 41416 .