Trouble
Cause
Remedy
Low power and uneven
Improper grade of fuel.
Fill tank with recommended
running engine. (cont.)
grade.
Magneto not working
Check timing of magneto.
properly .
Defective ignition wire.
Check wire with electric tester.
Replace defective wire.
Defective spark plug
Replace connectors on spark
terminal connectors.
plug wire.
Restriction in exhaust
Check for loose muffler baffles.
system.
Improper ignition timing.
Check magnetos for trimming
and synchronization.
Failure of engine to
Throttle lever out of
Adjust throttle lever.
develop full power.
adjustment.
Leak in induction system.
Tighten all connections, and
replace defective parts.
Restriction in carburetor
Examine air scoop and
air scoop.
remove restriction.
Improper fuel.
Fill tank with recommended
fuel.
Faulty ignition.
Tighten all connections.
Check system. Check ignition timing.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
POWER PLANT
1K17
TABLE Vlll-ll. ENGINE TROUBLESHOOTING CHART (cont)