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TROUBLESHOOTING
Engine Pings or Knocks
Engine Runs Irregularly, Stalls or Misfires
Possible Cause Solution
Poor quality or low octane fuel Replace with recommended fuel
Incorrect ignition timing See your dealer
Incorrect spark plug gap or heat range Set gap to specs or replace plugs
Possible Cause Solution
Fouled or defective spark plug(s) Inspect, clean and/or replace spark
plug(s)
Worn or defective spark plug wires See your dealer
Incorrect spark plug gap or heat range Set gap to specs or replace plugs
Loose ignition connections Check all connections and tighten
Water present in fuel Replace with new fuel
Low battery voltage Recharge battery to 12.8 VDC
Kinked or plugged fuel tank vent line Inspect and replace
Incorrect fuel Replace with recommended fuel
Clogged air filter Inspect and clean or replace
Reverse speed limiter malfunction See your dealer
Electronic throttle control malfunction See your dealer
Other mechanical failure See your dealer
Possible Lean Fuel Cause Solution
Low or contaminated fuel Add or change fuel, clean the fuel system
Kinked or plugged fuel tank vent line Inspect and replace
Low octane fuel Replace with recommended fuel
Clogged fuel filter Replace filter
Incorrect fuel Replace with recommended fuel
Possible Rich Fuel Cause Solution
Fuel is very high octane Replace with lower octane fuel
Stopping/starting without adequate
warm-up
Allow engine to warm up before operat-
ing and/or stopping
Incorrect fuel Replace with recommended fuel
Clogged air filter Inspect and clean or replace