Page 192 - Manual Oficina XP 1000 14-16
P. 192
FUEL SYSTEM
FUEL PUMP
OPERATION OVERVIEW In these situations, the “check engine” light will go on, but
An electric fuel pump assembly is used to transfer fuel to will turn off after 4 cranking revolutions if system function
the EFI system from inside the fuel tank. This assembly is OK. Once the engine is running, the fuel pump remains
includes the fuel pump, fuel filters, regulator and fuel on.
gauge sender. The pump is rated for a minimum output
of 25 liters per hour at 58 ± 2 psi (400 ± 14 kPa) and has FUEL SENDER TEST
two non-serviceable fuel filters. If the fuel gauge reading on the instrument cluster is not
working, or if the display reading differs in large
comparison to the fuel in the tank, perform a resistance
test on the fuel sender.
Disconnect the fuel pump / sending unit connection and
measure the resistance between pins q. If out of
specification, replace the fuel pump assembly.
Fuel Sender Resistance Specifications:
Full ww: 100 ± 3 Ω
Empty ee: 450 ± 5 Ω
q Fuel Line Connection r Pump / Sending Unit
Electrical Connection
w Fuel Pump t Regulator
e Fuel Pick-up Filter
When the key switch is turned to "ON", the ECU
activates the fuel pump, which pressurizes the system for
start-up.
The ECU switches off the pump preventing the continued
delivery of fuel in these instances:
• If the key switch is not promptly turned to the "start"
position.
• If the engine fails to start.
• If the engine is stopped with the key switch "on" (as in
the case of an accident).
4.24 9926816 R06 - 2014-2016 RZR XP 1000 / XP4 1000 Service Manual
© Copyright Polaris Industries Inc.