2752390 - 0510A10 cylinder compression - check for loose spark plugs or injectors

Disconnect the battery negative terminal.1. Disconnect the electrical connections for the engine management control unit.

	Name	Connector
1	Engine management control unit	M10A

	Name	Connector
1	Engine management control unit	M10B

Remove one of the spark plugs.1. Insert the test instrument into the seat of the spark plug. 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.Fit the spark plug removed previously.Connect the electrical connections for the engine management control unit.

	Name	Connector
-	Engine management control unit	M10A

	Name	Connector
-	Engine management control unit	M10B

Connect the battery negative terminal.