ENGINE 13 REMOVAL AND REFITMENT OF GAS RAIL NOTE: Park the vehicle with brakes ON and duel selector switch is kept in CNG mode. Manually turn of the tank valve and connect the TML tester tool and start the service “Empty CNG lines” Crank the engine and run in idle condition until engine stop at its own. Re crank the engine it should not start (tank pressure should be 0 bar) WARNING : Do not turn OFF Cylinder Valves , in vehicle running in CNG mode. This may wrongly detect the leakage error. Disconnect the battery negative cable. Disconnect the electrical connection and P & T sensor connector. Disconnect the CNG fuel pipes connected to gas rail. Remove both the gas rail mounting fasteners. Remove / pull gas rail in the direction of CNG injector axis.
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