Operation Section
-97-
Problem Probable Cause Corrective Action
Excessive Fuel
Consumption/LP
G Exhaust Smell
Air/Fuel Mixer malfunction Check mixer
z Se
Engine Service Manual
Air filter clogged Check air filte
z Clean/replace as required
Vacuum leak Check system vacuum hoses from
regulator to FTV and mixer
z Repair/replace as necessary
Pressure regulator malfunction/fuel
pressure too high
Test pressure regulator operation
z Se
Engine Service Manual
Faulty FTV Check FTV for housing cracks or
obstructions
z See Advanced Diagnostics FTV
operation
z Repair and/or replace as necessary
Weak i
nition and/or spark control See Advanced Dia
nostics
Incorrect air/fuel control See Advanced Diagnostics
Exhaust system leaks Repair exhaust system
Oxygen sensor failure Replace as necessary
z See Advanced Diagnostics
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