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Inspecting the injector hydraulics
To check the injector, remove the intake manifold
by removing the three fixing screws at the head
and the clip connecting the control unit to the mani-
Fit the appropriate tool to check fuel pressure
check and position the manifold over a scaled con-
tainer at least 100 cm³. Connect the injector with
the cable that is part of the elements supplied for
the injection tester. Connect the cable terminals to
an auxiliary battery. Activate the fuel pump with the
active diagnosis. Check that, within 15 seconds,
approximately 40 cm³ of fuel is delivered with a
regulation pressure of about 2.5 BAR.
Specific tooling
AP8140181 Fuel pressure check tool
Carry out the injector sealing test
Dry the injector outlet with a blast of compressed
air. Activate the fuel pump. Wait for one minute
and make sure there are no leaks coming from the
injector. Slight oozing is normal.
Limit value = 1 drop per minute
INJEC - 170


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