STARTING AND DRIVING
155
THREE−WAY CATALYTIC
CONVERTER
31L002−2
Three−way catalytic converters are emission control devices
installed in the exhaust system.
It looks somewhat like a muffler, but its purpose is to reduce
pollutants in the exhaust gas.
CAUTION
D Keep people and combustible materials away from the
exhaust pipe while the engine is running. The exhaust gas
is very hot.
D Do not drive, idle or park your vehicle over anything that
might burn easily such as grass, leaves, paper or rags.
NOTICE
A large amount of unburned gases flowing into the three−way
catalytic converter may cause it to overheat and create a fire
hazard. To prevent this and other damage, observe the following
precautions:
D Use only unleaded gasoline.
D Do not drive with an extremely low fuel level; running out of
fuel could cause the engine to misfire, creating an excessive
load on the three−way catalytic converter.
D Do not allow the engine to run at idle speed for more than 20
minutes.
D Avoid racing the engine.
D Do not push−start or pull−start your vehicle.
D Do not turn off the ignition while the vehicle is moving.
D Keep your engine in good running order. Malfunctions in the
engine electrical system, electronic ignition
system/distributor ignition system or fuel system could cause
an extremely high three−way catalytic converter
temperature.
D If the engine becomes difficult to start or stalls frequently,
take your vehicle in for a check−up as soon as possible.
Remember, your Lexus dealer knows your vehicle and its
three−way catalytic converter system best.
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