2007 Polaris Hawkeye 2x4 Owners Manual - Page 125

TROUBLESHOOTING Engine Pings or Knocks Possible Cause Poor quality or low octane fuel Incorrect ignition timing Incorrect spark plug gap or heat range Idle set too low Solution Replace with recommended fuel See your dealer Set gap to specs or replace plugs Adjust idle speed Engine Runs Irregularly, Stalls or Misfires Possible Cause Fouled or defective spark plug(s) Worn or defective spark plug wires Incorrect spark plug gap or heat range Loose ignition connections Water present in fuel Low battery voltage Kinked or plugged fuel tank vent line Incorrect fuel Clogged air filter Reverse speed limiter malfunction Electronic throttle control malfunction Other mechanical failure Solution Inspect, clean and/or replace spark plug(s) See your dealer Set gap to specs or replace plugs Check all connections and tighten Replace with new fuel Recharge battery to 12.8 VDC Inspect and replace Replace with recommended fuel Inspect and clean or replace See your dealer See your dealer See your dealer Possible Lean Fuel Cause Low or contaminated fuel Low octane fuel Clogged fuel filter Incorrect jetting Solution Add or change fuel, clean the fuel system Replace with recommended fuel Replace filter See your dealer Possible Rich Fuel Cause Overuse of choke Fuel is very high octane Incorrect jetting Solution Inspect, clean and/or replace spark plugs Replace with lower octane fuel See your dealer 122