Fuel Injector Test; Fuel Injector Replacement - Polaris RANGER XP 900 2018-2019 Service Manual

FUEL SYSTEM

FUEL INJECTOR TEST

The fuel injectors are non-serviceable. If diagnosis
indicates a problem with either injector, test the
resistance of the fuel injector (s) by measuring between
the two pin terminals:
Fuel Injector Resistance Specification:
11.4 Ω - 12.6 Ω
NOTICE
Be sure to connect the PTO harness lead to the PTO
injector and the MAG harness lead to the MAG injector
to ensure proper engine operation. The MAG wire
colors are Red/Blue and Black; the PTO wire colors are
Red/Blue and White.
4.32

FUEL INJECTOR REPLACEMENT

1. Lift the rear cargo box to the raised position.
2. Be sure the engine has cooled enough to perform this
procedure.
3. Used compressed air to remove any debris from
around fuel injectors.
Always wear safety glasses and proper shop clothing
when performing the procedures in this manual. Failing
to do so may lead to possible injury or death.
4. Remove the passenger seat and storage bin and
disconnect the negative battery cable.
5. Remove the plastic cap
test valve on the fuel rail. Hold a shop towel over the
valve press the relief pin with a small screwdriver to
depressurize the fuel rail. Reinstall the plastic cap.
6. Remove the fuel line from the fuel rail. Refer to "Fuel
Line Removal / Installation"page 4.14 procedure.
7. Disconnect the fuel injector harness leads.
8. Remove the two screws that mount the fuel rail to the
intake plenum.
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
CAUTION
q
from the pressure relief /
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