312002362 - 0520G46 FUEL SYSTEM - CHECK SUPPLY PRESSURE USING THE EXAMINER

- Open the maxifuse control unit located in the engine compartment. 1. Remove the 15A fuse F21 by inhibiting the fuel supply submerged pump. - Try to start the engine, to release any potential residual pressure in the supply pipe.

As the fuel pipe is not supplied, the engine will only run as long as there is enough pressure in the supply system. If there is insufficient pressure, the engine won''t start; to avoid damaging any engine components it is essential to not keep trying to start the engine.

1. Unscrew and remove the cap quick coupling on the fuel distribution manifold. 1. Connect the connector to the quick coupling on the fuel distribution manifold.

Tool	Description	Function	Validity
1.870.684.000	Quick coupling connector	Pressure exhaust on single fuel manifold pipe	1.2 8V1.4 16V

1. Connect the connector to quick coupling (1a), T connector (1b) and EX07 transducer from transducers kit 2 (1c), arranging the taps as in the diagram.

Tool	Description	Function	Validity
1.870.885.001	Quick coupling connector	Fuel pressure check	1.2 8V 1.4 16V

Tool	Description	Function	Validity
1.806.338.000	Transducer Examiner test kit 2	Cylinder compression test	1.2 8V 1.4 16V

- Reconnect the 15A fuse F21.- Apply the Examiner pressure gauge.- Turn the ignition key ON and check, using the Examiner pressure gauge, that the pressure is within the recommended values.

Measurement	Value	Validity
Fuel delivery pressure (bar)	3,5 ± 0,1	1.2 8V1.4 16 V

- At the end of the test, place a suitable container under the free end of the T connector and release the pressure by opening the tap and letting the fuel run out.