Chevrolet STFF6S Automobile User Manual


 
Engine Control Module System
Gasoline Engines
This system has an oxygen sensor
(OS)
that helps keep your engine’s
air-fuel mixture at a proper
level.
Use
only
unleaded
fuel
in
your vehicle.
If
you use leaded fuel, you could damage your oxygen sensor
(OS)
and
three-way catalytic converter.
Diesel Vehicles Below
8,500
(3
850
Kg)
GVWR
This system monitors engine speed and throttle position. It adjusts exhaust
gas recirculation to limit emissions.
Malfunction Indicator (SERVICE ENGINE SOON)
Light
The Malfunction Indicator (SERVICE ENGINE
SOON)
Light on your
instrument panel lets you know when your emission system needs service.
The light will come on briefly
when
you start your engine to let you know
that the system is working.
If
it
does
not
come on when
you
start your
engine, or if
it
comes
on
and
stays
on
while you’re driving, your system
may need service. Your vehicle should still be driveable, but
you
should
have your system serviced right away.
Secondary
Air
Injection Reaction (AIR) System
(Gasoline Engines)
You may have this system.
It
has a control valve that will direct air
to
where
it
is needed. If the AIR system needs service, your Malfunction Indicator
(SERVICE ENGINE
SOON)
Lamp
on
your instrument panel will come
on.
Tires
We don’t make tires. Your new vehicle comes with high-quality tires made
by
a
leading tire manufacturer. These tires are warranted by the tire
manufacturers, and their warranties are delivered with every new vehicle.
If
your spare tire
is a
different brand than your road tires,
you
will have a tire
warranty folder from each
of
these manufacturers.
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