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4.6
ELECTRONIC FUEL INJECTION
9923142 - 2011 RANGER RZR / RZR S / RZR 4 Service Manual
© Copyright 2010 Polaris Sales Inc.
EFI System Component Locations
1. Electronic Control Unit (ECU)
- Located behind the driver’s seat (RZR / RZR S) or under
the left rear passenger seat (RZR 4).
2. Temperature and Manifold Absolute Pressure Sensor
(T-MAP)
- Located in the rubber intake boot between the throttle
body and the cylinder head.
3. Crankshaft Position Sensor (CPS)
- Located in the magneto cover between the engine and
transmission, just in front of the rear gear case.
4. Fuel Injectors / Fuel Rail
- Attached to the fuel rail located in the intake track of the
cylinder head.
5. Fuel Pump / Regulator / Fuel Gauge Sender Assembly
- Located under the passenger seat (RZR / RZR S) or under
the right rear passenger seat (RZR 4).
ECU
RZR / RZR S
RZR 4
ECU
T-MAP
CPS
Fuel Rail
Fuel Injectors
Fuel Pump Assembly
RZR / RZR S
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