Piper SARATOGA PA-32-301 Maintenance Manual page 482

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CHART 7101. TROUBLESHOOTING (ENGINE) (cont)
Trouble Cause
Remedy
Low power and uneven
running. (cont)
Mixture too lean; indi-
cated by overheating
or backfiring.
Check fuel lines for
dirt or other restric-
tions. Check fuel in-
jection nozzles.
Leaks in induction
system.
Defective spark plugs.
Improper fuel.
Magneto breaker points
not working properly.
Defective ignition wire.
Defective spark plug
terminal connectors.
Tighten all connections.
Replace defective
parts.
Clean and gap or re-
place spark plugs.
Fill tank with fuel of
recommended grade.
Clean points. Check
internal timing of mag-
netos.
Check wire with electric
tester. Replace de-
fective wire.
Replace connectors on
spark plug wire.
Failure of engine to
develop full power.
Leak in the induction
system.
Tighten all connections
and replace defective
parts.
Throttle lever out of
adjustment.
Improper fuel flow.
Adjust throttle lever.
Check strainer, gauge
and flow at fuel injec-
tor inlet.
71-00-02
Page 71-04
Issued: January 2, 1980
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