Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 1362 / 1956

PAGE 2
Feb 28/07
7D12
71-00-00
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
CHART 1 (Sheet 1 of 6)
TROUBLESHOOTING ENGINE
Trouble Cause Remedy
Failure of engine to start. Lack of fuel. Check fuel system for
leaks. Fill fuel tank. Clean
dirty lines, strainers or fuel
valves.
Over priming. Leave ignition OFF and
mixture control in idle
cut-off, open throttle and
unload engine by cranking
for a few seconds. Turn
ignition switch on and
proceed to start in a
normal manner.
Incorrect throttle setting. Open throttle to one fourth
of its range.
Defective spark plugs. Clean and adjust or replace
spark plugs.
Defective ignition wire. Check with electric tester
and replace any defective
wires.
Defective battery. Replace with charged
battery.
Improper operation of Clean points. Check
magneto breaker. internal timing of
magnetos.
Lack of sufficient fuel Disconnect fuel line at fuel
flow. injector and check fuel flow.
Water in fuel injector. Drain fuel injector or fuel
lines.
Internal failure. Check oil screens for metal
particles. If found, complete
overhaul of engine may be
indicated.
Engine is hard starting. Low voltage or defective Measure voltage between
vibrator. vibrator terminal marked IN
and the ground terminal
while operating starter.
There must be at least
13 volts.