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SERVICING AND MAINTENANCE 477
Under normal operating conditions, the catalytic converter
will not require maintenance. However, it is important to
keep the engine properly tuned to assure proper catalyst
operation and prevent possible catalyst damage.
NOTE:
Intentional tampering with emissions control systems can
r
esult
in civil penalties being assessed against you.
In unusual situations involving grossly malfunctioning
engine o
peration, a scorching odor may suggest severe and
abnormal catalyst overheating. If this occurs, stop the
vehicle, turn off the engine and allow it to cool. Service,
including a tune-up to manufacturer's specifications, should
be obtained immediately.
To minimize the possibility of catalytic converter damage:
• D
o not interrupt the ignition when the transmission is in
gear an
d the vehicle is in motion.
• Do not try to start the vehicle by pushing or towing the
vehicl
e.
• Do not idle the engine with any ignition components
discon
nected or removed, such as when diagnostic testing,
or for prolonged periods during very rough idle or
malfunctioning operating conditions.
• A hot exhaust system can start a fire if you park over
materi
als that can burn. Such materials might be grass
or leaves coming into contact with your exhaust system.
Do not park or operate your vehicle in areas where your
exhaust system can contact anything that can burn.
CAUTION!
• The catalytic converter requires the use of unleaded
fuel on
ly. Leaded gasoline will destroy the effective-
ness of the catalyst as an emissions control device and
m
ay seri
ously reduce engine performance and cause
serious damage to the engine.
• Damage to the catalytic converter can result if your
vehicle
is not kept in proper operating condition. In the
event of engine malfunction, particularly involving
engine misfire or other apparent loss of performance,
have your vehicle serviced promptly. Continued opera
-
tion of your vehicle with a severe malfunction could
cause t
he converter to overheat, resulting in possible
damage to the converter and vehicle.
WARNING! (Continued)
7
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