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Diagnostic Manual, Engines, Volume 4

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LOCATION:    9.1 ME - SFI (ME2.1)   >  34 Hydraulic Test Program - Test (Fuel Pump Test)


Hydraulic Test Program - Test (Fuel Pump Test)

Preparation for Test:

1. Review WARNING! on pages 11/1 and 11/2,
2. Review 11 , 21 , 22 , 23 , 24 , 31 , 33 ,
3. Review section 0,
4. Connect socket box to engine control module (N3/10).

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 maximum.
Check fuel lines for restrictions
(kinks and dents),
Replace fuel filter,
34
1.1   Fuel pumps
Current draw

 
On Models 129, 140 and
202: disconnect fuel pump
relay module and connect
multimeter to sockets 1
and 3 (Figure 1).
On Model 210: disconnect
connector B from FP relay
module (K27) and connect
multimeter to sockets 1
and 3.
Ignition: ON










5 - 9 A
Fuel pump
1) Observe Preparation for Test, see 31 .