5
9850068 R01 - 2020-2021 RZR PRO XP / XP 4 Service Manual
© Copyright Polaris Industries Inc.
5.3
EFI OVERVIEW
EFI SYSTEM COMPONENTS
q
Electronic Control Unit (ECU) Located behind the driver’s seat behind the access panel.
w
Electronic Throttle Control (ETC) Located under the cargo box attached to the throttle body.
e
Pedal Position Sensor (PPS) Located on the throttle pedal.
r
Crankshaft Position Sensor (CPS)
Located on the MAG cover.
t
Barometric Absolute Pressure (BAP)
Sensor
Located on the intake duct after the air filter box.
y
Boost Pressure Sensor
Located on the pressure duct before the throttle body.
u
Temperature and Manifold Absolute
Pressure (TMAP) Sensor
Located on the intake manifold.
i
Engine Coolant Temperature (ECT)
Sensor
Located on the bottom side of the thermostat housing.
o
Fuel Injectors Located on fuel rail between intake manifold and engine.
a
Fuel Pressure Regulator Located on the fuel rail between intake manifold and engine.
s
Fuel Pump / Sender Located in the fuel tank under the passenger seat.
d
Knock Sensor
Located on cylinder assembly between engine and transmission.
f
Oxygen Sensor Located on the exhaust pipe.
EFI / FUEL SYSTEM
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