Efi Diagnostics; Efi Component Testing; Fuel Sender; Testing - Polaris 2012 RANGER RZR 570 INTL Service Manual

ELECTRICAL

EFI DIAGNOSTICS

EFI Component Testing

All EFI component info rmation an d dia gnostic testing
procedures are located in Chapter 4.
Refer to Chapter 4 "Ele ctronic Fuel Injection System ( EFI)"
when diagnosing an EFI system or component.

FUEL SENDER

Testing

1. Drain the fu el tan k a nd r emove it fr om th e vehicle
(see Chapter 4).
2. Set th e f uel ta nk on a fla t su rface. U sing a n O hm
meter, measure the resistance of the fuel sen der as
shown below.
3. Allow the sender f l oat to sit in the empty position and
compare to specification.
Fuel Sender - Empty: 90 ± 4.5 
4. Slowly tilt the tank so that gravity moves the sender
float to the full position and compare to specification.
Fuel Sender - Full: 6 ± 1 
10.22
5. If the readings are out of specification, or if the reading
is erratic or LCD display "sticks", check the following
before replacing the fuel pump assembly:
• Loose float
• Float contact with tank
• Bent float rod
If none of the conditions exist, the fuel sender assembly is
faulty. Replace the fuel pump assembly (see Chapter 4).
9923523 - 2012 RANGER RZR 570 Service Manual
© Copyright 2011 Polaris Sales Inc.