Piper Cherokee Six - Page 457

Leaks
in
induction
system.
Defective
spark
plugs.
Improper
fuel.
Magneto
breaker
points
not
working
properly.
Defecti\e
ignition
wire.
Defective
spark
plug
terminal
connectors.
Plugged
fuel
injector
nozzle.
PIPER
CHEROKEE
SIX
SERVICE
MANUAL
TABLE
VIIA-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.
Readjust-
ment
of
fuel
injector
by
authorized
personnel
is
indicated.
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.
Clean
or
replace
nozzle.
Tighten
all connections
and
replace
defective
parts.
I
Failure
of engine
to
develop
full
power.
Leak
in
the
induction
system.
Plugged
fuel
injector
nozzle.
Throttle
lever
out
of
adjustment.
Improper
fuel
flow.
Clean
or replace
nozzle.
Adjust
throttle
lever.
Check
strainer
gauge
and
flow
at the
fuel
line.
Revised:
11/4/83
POWER
PLANT
2113