939010387 - 0510A10 CYLINDER COMPRESSION - CHECK FOR LOOSE SPARK PLUGS OR INJECTORS

- Detach the engine management control unit electrical connections.    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - .R - Fit the tool on the compression test equipment.

Tool	Description	Function	Validity
1870811001	Raccordo	Prova compressione cilindri	1.9 JTD 8V1.9 JTD16V1.9 JTD 20V

Tool	Description	Function	Validity
1870793000	Falso iniettore	Prova compressione cilindri	1.9 JTD 8V1.9 JTD 16V2.4 JTD 20V

1. Insert the test equipment into the injector seat.2. Block the test equipment with the bracket. - Turn the engine over several times, using the starter motor, keeping the accelerator and clutch pedals pressed.

Make sure that there are no leaks from the test equipment connector.

- Repeat the test on the remaining cylinders, taking care to zero the instrument pointer each time.- Check that there is not a great difference between the pressure readings for the cylinders.- Secure the electrical connections to the engine management control unit.