2003 Polaris Frontier Owners Manual - Page 129
2003 Polaris Frontier Manual
Page 129 highlights
Engine Troubleshooting Problem Engine turns but fails to start Probable Cause Faulty ignition No fuel to engine Air in fuel line Poor engine compression Engine lacks power Fuel filter (loss of high RPM power) Incorrect clutching Fuel pump Engine continually backfires Engine crank time has increased Faulty plug(s) Improperly set TPS Poor gasoline or not enough fuel getting to engine TROUBLESHOOTING Solution -Check for spark; if no spark SEE DEALER. -Check tank level and fill with correct fuel. -Ice in fuel line, filter, or pump. -SEE DEALER for fuel line bleeding. -SEE DEALER. This indicates a major engine problem that must be repaired before engine is run. -SEE DEALER. -SEE DEALER. -There's no adjustment to change power output. SEE DEALER. -Change plug(s) -SEE DEALER. -Replace with fresh winter fuel. 127
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