Piper Cherokee Six - Page 458

Improper
fuel.
Faulty
ignition.
PIPER
CHEROKEE
SIX
SERVICE
MANUAL
TABLE
VIIA-III.
ENGINE
TROUBLESHOOTING
CHART
(cont.)
Trouble
Cause
Remedy
Failure
of
engine
to
develop
full
power.
(cont.)
Restriction
in air
scoop.
Examine
air
scoop
and
remove
restrictions.
Drain
and
refill
tank
with
recommended
fuel.
Tighten
all
connections.
Check
system
with
tester.
Check
ignition
timing.
Rough
engine.
Cracked
engine
mount.
Replace
or
repair
mount.
Defective
mounting
bushings.
Uneven
compression.
Plugged
fuel
injector
nozzle.
Install
new
mounting
bushings.
Check
compression.
Clean
or
replace
nozzle.
Low
oil
pressure.
Insufficient
oil.
Fill
sump
to
proper
level
with
recommended
oil.
Air
lock
or
dirt
in
re-
lief
valve.
Leak
in
suction
line
or
pressure
line.
Dirty
oil
strainers.
Defective
pressure
gauge.
2114
Remove
and
clean
oil
pressure
relief
valve.
Check
gasket
between
accessory
housing
and
crankcase.
Remove
and
clean
oil
strainers.
Replace
gauge.
POWER
PLANT
Revised:
11/4/83