Efi System Component Locations - Polaris MS4000 Service And Owner's Manual

ELECTRONIC FUEL INJECTION

EFI System Component Locations

1. Electronic Control Unit (ECU)
Located under the seat on the driver's side.
2. Intake Air Temperature and Barometric Air Pressure
Sensor (T-BAP)
Located in the rubber intake boot between the air box and
throttle body.
3. Crankshaft Position Sensor (CPS)
Located in the magneto cover on the right-hand side of the
engine.
4.8
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 in fuel tank as an assembly.
6. Throttle Body
Throttle
Body