Cessna T188C - Page 189

MODEL
188 & T188
SERIES SERVICE
MANUAL
11A-9. TROUBLE
SHOOTING
(Cont).
TROUBLE
PROBABLE CAUSE
REMEDY
ENGINE STARTS
BUT DIES,
Restricted
fuel injection
lines
Clean lines
and nozzles. Replace
OR WILL
NOT IDLE
(Cont).
or discharge
nozzles.
if defective.
Defective
engine-driven
fuel
Replace
engine-driven
fuel
pump. pump.
Vaporized fuel
in system.
Refer to Information
Manual.
Manual primer
leaking.
Repair
or replace
primer.
Defective engine.
Engine repair
is required.
Defective
aircraft
fuel system.
Refer
to Section
12.
Spark plugs
fouled
or improperly
Clean
and regap.
Replace
gapped.
if defective.
ENGINE RUNS ROUGHLY,
WILL Propeller control
in high pitch Use
low pitch (high rpm) for
NOT ACCELERATE
PROPERLY, (low
rpm) position.
all ground operations.
OR
LACKS
POWER.
Restriction in aircraft fuel Refer to Section 12.
system.
Restriction in
fuel injection
Clean system.
Replace any
system. defective units.
Engine-driven fuel pump Refer to paragraph 11A-52.
pressure improperly adjusted.
Worn or improperly
rigged
Rig properly.
Replace worn
throttle or mixture control. linkage.
Spark plugs fouled or improperly Clean and regap. Replace if
gapped. defective.
Defective
ignition system.
Refer to paragraph
11-61.
Defective engine. Engine repair is required.
POOR IDLE CUT-OFF. Worn or improperly rigged Rig properly. Replace worn
mixture
control.
linkage.
Defective manifold valve. Replace.
Fuel leakage through primer. Repair or replace primer.
Auxiliary fuel pump ON. Turn to OFF position.
Defective fuel control unit. Replace unit.
Fuel contamination.
Drain
all fuel and
flush
out fuel system. Clean
all screens, fuel lines,
strainer,
discharge
nozzles, manifold valve
and fuel pump.
11A-5