11A-1
TOP AND FRONT OF ENGINE
Pressure at end of compression: Check
K4M
11A
CHECK
I - PREPARATION OPERATION FOR CHECK
a Remove:
-the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) ,
-the spark plugs (see Plugs: Removal - Refitting) .
a Connect a petrol compression gauge (1) .
a Put the vehicle under starting conditions:
-gear lever in neutral position for manual gearbox,
-gear lever in position P (park) for an automatic
gearbox.
a Disconnect the injector connectors.
II - TEST OPERATION
a Activate the starter until the needle of the petrol
compression gauge stabilises.
a Measure the compression of the engine, cylinder by
cylinder.
a Fully depress the accelerator pedal in order to open
the throttle valve during the compression measure-
ments.
III - FINAL OPERATION
a Disconnect the petrol compression gauge.
a Refit:
- the spark plugs (see Plugs: Removal - Refitting) ,
- the coils (see 17A, Ignition, Coils: Removal - Re-
fitting, page 17A-1) .
a Connect the injector connectors.
a Using the Diagnostic tool, check that there are no
faults stored in the computer.
a Start the vehicle.
Equipment required
petrol compression gauge
Diagnostic tool
132338
Note:
It is necessary to wait for at least 10 seconds
before starting the engine each time (the starter
will not run due to its thermal protection).
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