4.38
9928487 R01 - 2018 RANGER XP 1000 Service Manual
© Copyright Polaris Industries Inc.
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
NOTE
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.
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.
CAUTION
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
q
from the pressure relief /
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
Line Removal / Installation, page 4.10
procedure.
7. Disconnect the fuel injector harness leads.
8. Remove the two fuel rail fasteners that mount the fuel
rail to the intake plenum.