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TROUBLESHOOTING
POOR PERFORMANCE AT HIGH SPEED
1.
Fuel line
Ins
pection
Disconnect fuel line at carburetor.
D08S
fuel flow
freely?
NO
_
.
Clogged fuel line
•
Clogged fuel
t
ank breather hose
•
Faulty fuel valve
•
Clogged fuel strainer
YES
- GO TO
STEP
2.
2.
Carburetor
Inspection
Check carbu retor
for
clogging
.
Is
the carburetor clogged?
YES
-
Carbu
retor not serviced frequently enough
NO
- GO TO
STEP
3.
3.
Valve Timing Inspection
Check valve
timing.
Is
the valve
timing correct?
NO
- Camshaft not installed properly
YES
- GO TO
STEP
4.
4.
Ign
ition Timing
Inspection
Check ignition timing.
Is
the ignition timing
correct?
NO
_
.
Faulty engine control module (ECM
)
•
Faulty
ignition
pulse
generator
YES
- GO TO
STEP
5.
5.
Valve Spring
Inspection
Check valve springs.
Are
the
valve
springs weak?
YES
- Fau lty valve spring
NO
- Faulty automatic transmission
syst
em
POOR HANDLING
Steering
is
heavy
•
Steering shaft nut or
hold
er too tight
•
Damaged steering shaft bushing
•
Damaged
steeri
ng shaft
bear
ing
•
EPS does not assist the steering force (EPS model only)
Any
w
heel is
w
obbling
•
Excessive wheel bearing play
•
Bent rim
•
Improperly installed wheel hub
•
loose suspension arm
•
Bent frame
Vehicle pulls t
o one
side
•
Tire air pressure
incorrect
•
Faulty shock
absorber
•
Bent tie-rod
•
Incorrect tie-rod adjustment
•
Bent frame
•
Improper
wheel
alignment
27-6
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