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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.5 ME - SFI (ME1.0)   >  34 Hydraulic Test Program - Test (Fuel Pump Test)


Hydraulic Test Program - Test (Fuel Pump Test)

Test scope Test connection Test condition Nominal value Possible cause/Remedy 1)
1.0   Fuel pumps
Delivery capacity


26
(1.26)
N3/10



24
(1.24)
Disconnect fuel return hose from fuel line and place end in measuring glass.
Ignition: ON




1 liter of fuel within 35 seconds.
Check fuel lines for restrictions (kinks and dents).
Replace fuel filter,
2.0
2.0   Fuel pumps
Current draw
Connect multimeter to sockets 1 and 3 (Figure 1)
 
Disconnect fuel pumps relay module (K27).
Ignition: ON


4 - 9 A
Fuel pumps
1) Observe Preparation for Test, see 33 .