Piper 6XT - Page 915

THE NEW PIPER AIRCRAFT, INC.
PA-32-301FT / 301XTC
MAINTENANCE MANUAL
PAGE 3
Jun 1/03
4I15
71-00-00
CHART 1 (Sheet 2 of 4)
TROUBLESHOOTING ENGINE
Trouble Cause Remedy
Failure of engine to idle Incorrect idle mixture. Adjust mixture.
properly.
Leak in the induction system. Tighten all connections in
the induction system.
Replace any parts that are
defective.
Incorrect idle adjustment. Adjust throttle stop to
obtain correct idle.
Uneven cylinder compression. Check condition of piston
rings and valve seats.
Faulty ignition system. Check entire ignition
system.
Insufficient fuel pressure. Adjust fuel pressure.
Lower power and uneven Mixture too rich; indicated by Readjustment of fuel
running. sluggish engine operation, injector by authorized
red exhaust flame at night. personnel is indicated.
Extreme cases indicated by
black smoke from exhaust.
Mixture too lean; indicated by Check fuel lines for dirt or
overheating or backfiring. other restrictions. Check
fuel injection nozzles.
Leaks in induction system. Tighten all connections in
the induction system.
Replace any parts that are
defective.
Defective spark plugs. Clean and gap, or replace
spark plugs.
Improper fuel. Drain and refill tank with
recommended fuel.
Magneto breaker points not Clean points. Check
working properly. internal timing of magnetos.
Defective ignition wire. Check wire with electric
tester. Replace defective
wire.
Defective spark plug terminal Replace connectors on
connectors. spark plug wire.