2007-2011 Polaris IQ Snowmobiles Service Manual, Page 179Get this manual
Fuel Systems Fuel Injectors:
DC-CFI (600)fuel injector is mounted to each cylinderDC-CFI 2+2CFIset of injectors are mounted to the crankcase, and set are mounted to the cylinders
Detonation Control System (DET)
All CFI Models: When DET is sensing and taking action to reduce detonation, the driver may notice drop in engine RPM andor reduced performance as the ECU takes action to reduce detonation600 IQ Widetrak800 CFI Only: The check engine MIL will illuminate when the DET system is active600 IQ Widetrak800 CFI Only: If the ECU determines the detonation cannot be controlled by normal means and further operation may cause engine damage, the check engine MIL will flash and the ECU will limit the maximum engine speed to 6,000 RPMThe RPM limit will remain active until the driver turns off and restarts the engine800 CFI Only: If the RPM limit mode occurs, Diagnostic Trouble Code (DTC) will be registeredDigital Wrench will display the P1336 DTC600 IQ Widetrak Only: If the RPM limit mode occurs, Diagnostic Trouble Code (DTC) will be registeredDigital Wrench will display the following codes: P1336, P2336, P1337, and P2337Retroactive to 20082009 800 CFI models after Service Bulletins S-09-08 or S-09-09 are performed