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LP Engine G430 (3.0L)
Troubleshooting
Problem
Probable Cause
Probable Solution
Will Not Start/FCV
Carburetor malfunction
Check carburetor
Staying On
●
Remove air/gas valve assembly
●
Clean air/gas valve and carb throat
●
Check diaphragm for holes/damage
●
Check air/gas valve for wear/damage
●
Repair/replace as required
Air filter plugged
Check air filter
●
Clean/replace as required
No spark
Check for spark
●
See lgnition system section
●
Repair/replace as required
Engine Mechanical
See Troubleshooting section
Difficult to Start
Fuel container almost empty
LPG vapor from liquid outlet
●
Fill fuel container
●
Do not exceed 80% of liquid capacity
Excess flow valve closed
Reset excess flow valve
●
Close liquid valve
●
Wait for click sound
●
Open valve slowly
Clogged fuel filter
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
Plugged fuel line
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
Faulty vapor connection
Check connection
between pressure regulator
●
No holes in hose
and carburetor
●
Clamps must be tight
●
Watch for kinked and/or pinched
and/or collapsed hose
Pressure regulator
Test pressure regulator operation
malfunction
●
Use test kit
●
Install primary pressure gauge
●
Install secondary pressure gauge
●
Crank engine and observe readings
on pressure gauges
●
Compare readings to specifications
●
If readings are out of specrepair/replace
pressure regulator
Air filter clogged
Check air filter
●
Clean/replace as required
Engine Mechanical
See Troubleshooting section
