Polaris Power P3000iE User Manual page 48

TROUBLESHOOTING
Engine Backfires
POSSIBLE CAUSE
Weak spark from spark plug
Incorrect spark plug gap or heat range
Old or non-recommended fuel
Incorrectly installed spark plug wires
Incorrect ignition timing
Mechanical failure
Loose ignition connections
Water present in fuel
Engine Pings or Knocks
POSSIBLE CAUSE
Poor quality or low octane fuel
Incorrect ignition timing
Incorrect spark plug gap or heat range
Engine Runs Irregularly, Stalls or Misfires
POSSIBLE CAUSE
Fouled or defective spark plug
Worn or defective spark plug
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
Economy throttle control malfunction
Other mechanical failure
44
SOLUTION
Inspect, clean, and / or replace spark plug
Set gap to specification or replace spark plug
Drain the fuel system and refuel
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Check all connections and tighten
Drain the fuel system and refuel
SOLUTION
Drain the fuel system and refuel
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Set gap to specification or replace spark plugs
SOLUTION
Inspect, clean, and / or replace spark plug
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Set gap to specification or replace spark plug
Check all connections and tighten
Drain the fuel system and refuel
Recharge battery to 12.8 Vdc
Inspect and replace
Drain the fuel system and refuel
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual
Take the generator to an authorized Polaris servicing
dealer or refer to the service manual