Piper SARATOGA PA-32-301 Maintenance Manual page 481

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CHART 7101. TROUBLESHOOTING (ENGINE) (cont)
Trouble
Cause
Remedy
Failure of engine to
start. (cont)
Failure of engine to
idle properly.
Internal failure.
Incorrect idle mixture.
Leak in the induction
system.
Check oil screens for
metal particles. If
found, complete over-
haul of engine may be
indicated.
Adjust mixture.
Tighten all connections
in the induction sys-
tem. Replace any parts
that are defective.
Incorrect idle adjust-
ment.
Uneven cylinder com-
pression.
Faulty ignition system.
Insufficient fuel pres-
sure.
Adjust throttle stop to
obtain correct idle.
Check condition of pis-
ton rings and valve
seats.
Check entire ignition
system.
Adjust fuel pressure.
Lower power and uneven
running.
Mixture too rich: indi-
cated by sluggish en-
gine operation, red ex-
haust flame at night.
Extreme cases indi-
cated by black smoke
from exhaust.
Readjustment of fuel in-
jector by authorized
personnel is indicated.
71-00-02
Page 71-03
Issued: January 2, 1980
2122