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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.3 ME - SFI (ME2.0)   >  34 Hydraulic Test Program - Test (Fuel Pump Test)


Hydraulic Test Program - Test (Fuel Pump Test)

Preparation for Test:
1. Review 11 , 21 , 22 , 23 , 24 , 31 , 33 ,
2. Review section O,
3. Connect socket box to engine control module (N3/10).


When disconnecting the connectors on the engine control module remove center connector (D) first, when reconnecting connectors install center connector (D) last.

Test scope Test connection
Test condition Nominal value Possible cause/remedy 1)
1.0   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.
Check fuel lines for restrictions (kinks and dents).
Replace fuel filter or diaphragm pressure regulator,
2.0
2.0   Fuel pumps
Current draw

 
Models 202/208/210:
Remove FP relay module (K27), connect multimeter on sockets 2 and 8.
Model 163:
Remove fuel pump relay (F1k3), connect multimeter on sockets 30 and 87.
Ignition: ON












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