Checking injector flowcapacity
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Checking injector flow
capacity
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Warning
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Work only in a well-ventilated area. If approved equipment
for the extraction of fuel vapour is available, be sure to
use it.
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Wear suitable gloves. Prolonged contact with fuel may give
rise to skin irritation or dermatitis.
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Keep a class BE fire extinguisher near at hand. Be mindful of
the danger of sparks caused by short-circuits and when
connecting and disconnecting leads, etc. in electrical
circuits.
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No smoking anywhere in the vicinity.
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1.
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Remove the fuel rail with
injectors.
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2.
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Start the fuel pump by connecting a jumper lead across fuses 4 and 32.
Check that the injectors do not leak.
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3.
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Place the injectors in turn over a measuring flask and
connect battery voltage to the injector to be checked, using
cables 86 11 410 and 86 11 345.
Activate the injector for exactly 30 seconds and then check
whether the quantity of fuel in the measuring glass is at
least 107 and at most 115 millilitres.
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4.
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Change any defective injectors.
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5.
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Refit the fuel injection manifold and injectors. Be careful
to fit the right connectors to the right injectors.
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To check the fuel pressure/fuel pressure regulator, refer to
Service Manual 2:3 "Fuel system"
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