2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 49Get this manual

2009 Polaris Sportsman 850 XP EFI EPS Service Manual, Page 49

ELECTRONIC FUEL INJECTION FUEL LINE Quick Connect RemovalInstallation EFI SERVICE NOTES For more convenient and accurate
is high (or open), wiring harness inspection is required (including thorough inspection of the ECU connector for contamination
or damage)If the sensor passes and the wiring passes inspection, and reconnecting the ECU does not resolve the issue, then
at that point known-good ECU (from another Polaris 850) may be used to test for problem resolution Never attempt to service
any fuel system component while engine is running or ignition switch "on" USE CARE when removing or installing the ECU connector,
as well as all other harness connections on the unitProperly connect and disconnect the ECU harness to minimize damage to
the connector pins and locking mechanism Although every precaution has been taken to prevent water intrusion failure, avoid
direct water or spray contact with system components Do not disconnect or reconnect the wiring harness connector to the ECU
or any individual components with the ignition "on This can send damaging voltage spike through the ECU Do not allow battery