FUEL PRESSURE GAUGE.
The fuel pressure gauge instrument is mounted in the cluster on the instrument panel. This gauge is
connected to the fuel system at the carburetor fuel inlet fitting.
CHART 2804. FUEL PRESSURE GAUGE
Trouble Cause Remedy
No fuel pressure indication. Fuel valve stuck. Check valve.
No fuel in tanks. Check fuel, fill.
Defective fuel pump. Check pump for pressure
buildup. Check diaphragm
and relief valves in engine
pump. Check for obstruc-
tion in electric pump. Check
bypass valve. Air leak in
intake lines.
Defective gauge. Replace gauge.
Pressure low or pressure Obstruction in inlet side of Trace lines and locate
surges. pump. obstruction.
Faulty bypass valve. Replace.
Faulty diaphragm. Replace or rebuild pump.
Needle fluctuation. Surge dome or pump filled Remove and empty.
with fuel.
Air in line. Loosen line at gauge, turn
on electric pump. Surge
line of air and retighten.
High fuel pressure with Fuel in line expanding due Normal.
engine shut off right after to heat buildup in cowling.
flight.
—END—
28-40-06
Page 28-21
Revised: December 1, 1978
2B16
PIPER AIRCRAFT
PA-28RT-201 / 201T
MAINTENANCE MANUAL
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