2891167 - 0510A10 cylinder compression - check for loose spark plugs or injectors

Disconnect the electrical connections from the engine management control unit (   1060G80  ds electric injection control unit - r r ).

	Name	Connector
-	Engine management ECU	M10

1. Fit the tool on the test instrument.

	Name	Country
1	Dummy injector	1.870.683.000

2. Insert the test instrument into the fuel injector seat and lock it with its brackets.Via the starter motor, make the engine execute a few revolutions while holding down the accelerator and clutch pedals.

Make sure that there are no leaks from the test instrument's connection.

Repeat the test on the remaining cylinders, making sure to reset the instrument each time.Check that the cylinders' pressure readings do not differ excessively.