4.4
9929422 R02 - 2017-2019 ACE 900 Service Manual
© Copyright Polaris Industries Inc.
EFI OVERVIEW
EFI SYSTEM COMPONENTS / LOCATIONS
q
The Electronic Control Unit (ECU) is located behind the engine compartment access panel.
w
The Pedal Position Sensor (PPS) is located on the throttle pedal.
e
The Fuel Pump / Sender is located in the fuel tank under the seat.
r
The Engine Coolant Temperature (ECT) Sensor is located on the bottom side of the thermostat housing.
t
The Fuel Injectors are located on the fuel rail between the intake manifold and the engine.
y
The Fuel Pressure Regulator is located on the fuel rail between the intake manifold and the engine.
u
The Electronic Throttle Control (ETC) is located under the cargo box access panel attached to the throttle
body.
i
The Temperature and Manifold Absolute Pressure (TMAP) Sensor is located on the intake manifold.
o
The Crankshaft Position Sensor (CPS) is located on the MAG cover.
FUEL SYSTEM