Piper Lance II - Page 340

LANCE IISERVICE MANUAL
TABLE
VIII-III. ENGINE
TROUBLESHOOTING
CHART (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.
2C4
Adjust throttle lever.
Check
strainer,
gauge
and
flow at fuel
injec-
tor inlet.
POWER PLANT
Issued:
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