Trouble Cause Remedy
Failure of fuel to flow.
Blockage in fuel line.
Flush fuel system.
Blockage of cap vent.
Check and clean vent hole in cap.
Failure of mechanical
Check and replace if
or electrical fuel pump.
necessary.
Failure of fuel selector
Check position of selector
to be in proper position.
and adjust if required.
Damaged fuel selector
Replace fuel valve.
valve.
Fuel gauge fails to
Broken wire.
Check and repair.
operate.
Gauge inoperative
Replace.
Circuit breaker open or
Check and reset or replace.
fuse blown
Incomplete ground.
Check ground connections
at fuel transmitter in wings.
Float and arm assembly
Check fuel transmitter in
of fuel transmitter in
wings and repair or replace.
wing sticking.
Fuel gauge indicates full
Incomplete ground on
Check ground connections
when tanks are not full
transmitter wire.
at fuel transmitter in wings.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
FUEL SYSTEM
2B1
TABLE IX-III. FUEL SYSTEM TROUBLESHOOTING