THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 3
Jun 1/03
3C9
28-00-00
CHART 1
TROUBLESHOOTING FUEL SYSTEM
Trouble Cause Remedy
Failure of fuel to flow. Fuel line blocked. Flush fuel system.
Fuel vent cap blocked. Check and clean vent
hole in cap.
Mechanical or electrical Check and replace if
fuel pump failure. necessary.
Fuel selector valve in improper Reposition as required.
position.
Check for obstructions in
the fuel selector leverage
mechaism.
Damaged fuel selector valve. Replace fuel selector valve.
Fuel quantity gauge fails to Broken wire. Check and repair.
operate.
Gauge inoperative. Replace gauge.
Fuel sender float partially or Replace sender.
completely filled with fuel.
Circuit breaker open. Check and reset.
Float and arm assembly of fuel Check.
sender sticking.
Bad ground. Check for good contact at
ground lip or rear of gauge.
No fuel pressure indication. Fuel selector valve stuck. Check fuel selector valve.
Fuel tanks empty. Check fuel tanks and fill.
Defective gauge. Replace gauge.
Fuel selector valve in improper Reposition fuel selector
position. valve lever.
Lower pressure or pressure Obstruction in inlet side of Trace lines and locate
surges. pump. obstruction.
Air in line to pressure gauge. Bleed line.
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