
-92-
-92-
Operation Section
Operation Section
Basic Troubleshooting (Gasoline)
Basic Troubleshooting (Gasoline)
Problem
Problem
Probable
Probable Cause
Cause
Corrective
Corrective Action
Action
Fuel
Fuel tank
tank empty
empty
Fill
Fill fuel
fuel container
container
The tank should be at least ¼ full to
The tank should be at least ¼ full to
properly prime the fuel pump.
properly prime the fuel pump.
Fuel select switch is not on
Fuel select switch is not on GAS
GAS
Clogged
Clogged fuel
fuel filter
filter
Repair/replace
Repair/replace as
as required
required
See
See Maintenance
Maintenance section
section
Primary
Primary
and Secondary Fuel Filter replacement
and Secondary Fuel Filter replacement
Faulty vapor connection between
Faulty vapor connection between
the pressure regulator/ converter
the pressure regulator/ converter
and the mixer (LPG)
and the mixer (LPG)
Check connection
Check connection
Verify no holes in hose
Verify no holes in hose
Clamps must be tight
Clamps must be tight
Look for kinked, pinched and/or
Look for kinked, pinched and/or
collapsed hose
collapsed hose
Electric Fuel Pump malfunction
Electric Fuel Pump malfunction
(GAS)
(GAS)
Check electrical connection
Check electrical connection
Check Relay and fuse
Check Relay and fuse
Turn key ON and verify pump is operating
Turn key ON and verify pump is operating
Fuel
Fuel Pressure
Pressure regulator
regulator malfunction
malfunction Test
Test pressure
pressure regulator
regulator operation
operation
See Engine Service Manual
See Engine Service Manual
Fuel
Fuel Injector
Injector malfunction
malfunction
Test
Test Injector
Injector operation
operation
See Engine Service Manual
See Engine Service Manual
Incorrect air/fuel or ignition/ spark
Incorrect air/fuel or ignition/ spark
control
control
See Advanced Diagnostics
See Advanced Diagnostics
Engine Cranking
Engine Cranking
but Will Not Start
but Will Not Start
(Gas)
(Gas)
No
No VR
VR Sensor
Sensor Signal
Signal
Verify
Verify the
the VR
VR signal
signal is
is present
present
See Advanced Diagnostics
See Advanced Diagnostics
Summary of Contents for G20E-5
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