Efi Components; Electronic Fuel Injection - Polaris 2009 Sportsman XP 850 Service Manual

EFI COMPONENTS

Identification / Location
1. Electronic Control Unit (ECU)
- Attached to the air box, located behind the LH side panel.
ECU
2. Temperature and Manifold Absolute Pressure Sensor
(T-MAP)
- Located in the Integrated Air Fuel Manifold (IAFM).
3. Idle Air Control (IAC)
- Located in front of the engine behind the frame support.
IAC

ELECTRONIC FUEL INJECTION

4. Crankshaft Position Sensor (CPS)
- Located in the top portion of the magneto cover on the
front of the engine.
CPS
5. Fuel Injectors
- Located in the Integrated Air Fuel Manifold (IAFM).
Fuel Rail
T-MAP
Pressure
Valve
6. Fuel Rail / Fuel Pressure Valve
- Attached to the top portion of the fuel injectors.
- Located on the PTO end of the fuel rail.
7. Fuel Line (Quick Connect)
- Located between the injector fuel rail and the fuel tank.
PTO
Fuel Injector
2
4 & 7
9 & 10
3
3
3.7