3237424 - 0510A10 cylinder compression - check for loose spark plugs or injectors

1. Disconnect the electrical connection from the engine management control unit (Refer to OP.   1056B82  injection/ignition system e.c.u. (one) - r + r ).

	Name	Connector
1	Engine management ECU	M10

1. Insert the test instrument into the seat of a 'central' 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 each time to reset the instrument's pen point.Check that the cylinders' pressure readings do not differ excessively. Connect the electrical connection to the engine management control unit (Refer to OP.   1056B82  injection/ignition system e.c.u. (one) - r + r ).

	Name	Connector
-	Engine management ECU	M10