Operation Section 57 Problem Probable Cause Corrective Action Difficult to Start Fuel container almost empty LPG Vapor from liquid outlet z Fill fuel container z Do not exceed 80% of liquid capacity Excess flow valve closed Reset excess flow valve z Close liquid valve z Wait for a “click” sound Slowly open liquid valve Clogged fuel filter Repair/replace as required z See Maintenance Section, LP Fuel Filter replacement Plugged fuel line Remove obstruction from the fuel line z Close liquid fuel valve z Using caution, disconnect the fuel line (some propane may escape) z Clear obstruction with compressed air z Re-connect fuel line z Slowly open liquid fuel valve z Leak test Faulty vapor connection between the pressure regulator/converter and the mixer Check connection z Verify no holes in hose z Clamps must be tight z Look for kinked, pinched and/or collapsed hose Pressure regulator/converter malfunction Test pressure regulator/converter operation z See Engine Service Manual Fuel container almost empty LPG Vapor from liquid outlet z Fill fuel container z Do not exceed 80% of liquid capacity Air filter clogged Check air filter z Clean/replace as required Incorrect air/fuel or ignition control See Advanced Diagnostics Engine Mechanical See Engine Service Manual