Revised: 2/13/89
2G9
CHEROKEE ARROW III SERVICE MANUAL
INSTRUMENTS
10-57. TROUBLESHOOTING.
TABLE X-XI. FUEL PRESSURE GAUGE
Trouble Cause Remedy
No fuel pressure indication. Fuel valve stuck. Check valve.
No fuel in tanks. Check fuel, full.
Defective fuel pump. Check pump for pressure
buildup. Check diaphragm
and relief valve in engine
pump. Check for obstruction
in electric pump. Check
bypass valve. Air leak in
intake lines.
Defective gauge. Replace gauge.
Pressure low or Obstruction in inlet Trace lines and locate
pressure surges. side of pump. obstruction.
Faulty bypass valve. Replace.
Faulty diaphragm. Replace or rebuild pump.
Needle fluctuation. Purge dome or pump Remove and empty.
filled with fuel.
Air in line. Loosen line at gauge, turn on
electric pump. Purge line of
air and retighten.
High fuel pressure Fuel in line expanding Normal.
with engine shut off due to heat build up in
right after flight. cowling.
10-58. REMOVAL AND REPLACEMENT. (Refer to Paragraph 10-78 of this section.)
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