Diagnostic Manual, Engines, Volume 4
Hydraulic Test Program - Test (Fuel Pump Test)
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Test scope |
Test connection
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Test condition |
Nominal value |
Possible cause/remedy 1) |
1.0 |
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Fuel pump
Delivery capacity |
3
(3A) |
N3/10
|
21
(29C) |
Disconnect fuel return
hose from fuel line and
place end in measuring
glass.
Ignition: ON
|
1 liter of fuel
within 35
seconds.
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Check fuel lines for restrictions
(kinks and dents).
Replace fuel filter or fuel pressure
regulator,
check current draw (2.0 below).
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2.0 |
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Fuel pumps
Current draw
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Remove FP relay module
(K27), located under right rear seat, connect multimeter
on sockets 2 and 8.
Ignition: ON
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4 - 9 A |
Fuel pump. |
1) Observe Preparation for Test, see 33 . |
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