Daewoo G424 Gasoline Service Manual page 184

Problem
Won't Run Continuously
Accelerate/Hesitation
During Acceleration
Engine Stalls
G424 Service Manual
Probable Cause
Faulty vapor connection
between pressure regulator
and carburetor
Throttle butterfly not opening
Incorrect full load air/fuel duty
Engine Mechanical
Idle duty cycle too high
(above 50%)
Fuel container almost empty
Excess flow valve closed
Clogged fuel filter
Plugged fuel line
Faulty vapor connectionr
between pressure regulator
and carburetor
Vacuum leak
Fuel lock malfunction
183
Probable Solution
Check connection
• No holes in hose
• Clamps must be tight
• Watch for kinked and/or pinched and/or
collapsed hose
Verify wide open throttle
Verify full load air/fuel duty cycle
cycle
See Troubleshooting section
Correct/adjust hardware failure
LPG vapor from liquid outlet
• Fill fuel container
• Do not exceed 80% of liquid capacity
Reset excess flow valve
• Close liquid valve
• Wait for click sound
• Open valve slowly
Repair/replace as required
• Close liquid fuel valve
• Using caution, disconnect fuel line
• Remove/replace filter element
• Clean fuel filter housing
• Open liquid fuel valve
• Leak test
Remove obstruction from fuel line
• Close liquid fuel valve
• Using caution, disconnect fuel line
• Clear obstruction with compressed air
• Re-connect fuel line
• Leak test
Check connection
• No holes in hose
• Clamps must be tight
• Watch for kinked and/or pinched and/or
collapsed hose
Check for vacuum leaks
• Between carburetor and intake manifold
• Between intake manifold and cylinder head
• Check circuit wiring
• Check safety switch
• Check fuelock
• Repair/replace fuelock as required
Adjustment and Troubleshooting