Checking injector flow capacity
Checking injector flow capacity |
1. |
Remove the fuel rail with injectors as described in steps 1-6 in the section “injectors, see
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2. |
Start the fuel pump by connecting jumper lead 83 93 886 between fuses 4 and 32. Make sure the injectors are not leaking.
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3. |
Attach test hose 83 94 405 to the valve you wish to test. The hose should discharge into a graduated measuring glass. Connect the valve to battery voltage using
86 11 410 Test lead, female pin (x 4)
and
86 11 345 Jumper lead (x 2)
. Activate the valve for exactly 30 s. and then check that the amount of fuel in the measuring glass is 126±5 ml. The maximum permissible difference between the injectors is 18 ml.
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4. |
Change any defective injectors.
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To fit |
1. |
Fit the fuel rail and injectors. Make sure the correct connector is plugged to the relevant injector, see
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Checking fuel pressure
See Service Manual "2:3 Fuel System" for checking the fuel pressure/fuel pressure regulator.