2011 Polaris Ranger RZR ATV Service Manual, Page 151Get this manual

2011 Polaris Ranger RZR ATV Service Manual, Page 151

ELECTRONIC FUEL INJECTION EFI Troubleshooting Fuel StarvationLean Mixture Symptoms: Hard start or no start, bog, backfire,
(inspect intake duct) Air filter dirtyplugged Poor fuel quality (old fuel) Fouled spark plug TPS setting incorrect Injector
failure Poor Idle Symptom: Idle Too High (If greater than 1300 RPM when engine is warm) Throttle stop screw set incorrect
Throttle cable sticking, improperly adjusted, routed incorrectly Symptom: Idle Too Low (if less than 900 RPM when engine
is warm) Plugged air filter Leaking injector (rich condition) Belt dragging Throttle stop screw tampering Symptom: Erratic
Idle Throttle cable incorrectly adjusted Air Leaks, dirty injector TPS damaged or adjusted Tight valves Ignition timing incorrect