2015 Polaris Ranger Crew 900 Owners Manual - Page 103

TROUBLESHOOTING Engine Runs Irregularly, Stalls or Misfires Possible Cause Fouled or defective spark plugs Worn or defective spark plug wires Incorrect spark plug gap or heat range Loose ignition connections Water present in fuel Low battery voltage Incorrect fuel Clogged air filter Clogged intake screen Throttle release switch malfunction Other mechanical failure Solution Inspect, clean and/or replace spark plugs 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 Replace with recommended fuel Inspect and clean or replace Inspect and clean (with soapy water) or replace See your dealer See your dealer Engine Stops or Loses Power Possible Cause Out of fuel Water is present in fuel Fouled or defective spark plugs Worn or defective spark plug wires Incorrect spark plug gap or heat range Loose ignition connections Low battery voltage Incorrect fuel Clogged air filter Clogged intake screen Throttle release switch malfunction Other mechanical failure Overheated engine Solution Refuel Replace with new fuel Inspect, clean and/or replace spark plug See your dealer Set gap to specs or replace plug Check all connections and tighten Recharge the battery to 12.8 VDC Replace with fresh recommended fuel Inspect and clean or replace Inspect and clean (with soapy water) or replace See your dealer See your dealer Clean radiator screen and core, clean engine exterior, see your dealer 101