Chevrolet 2005 Blazer Spezifikationen PDF herunterladen (Seite 156)

Malfunction Indicator Lamp

Service Engine Soon Light in the

United States or Check Engine Light in

Canada

Your vehicle is equipped with a computer which

monitors operation of the fuel, ignition, and emission

control systems.

This system is called OBD II (On-Board

Diagnostics-Second Generation) and is intended to

assure that emissions are at acceptable levels for the life

of the vehicle, helping to produce a cleaner environment.

The SERVICE ENGINE SOON or CHECK ENGINE light

comes on to indicate that there is a problem and service

is required. Malfunctions often will be indicated by the

system before any problem is apparent. This may prevent

more serious damage to your vehicle. This system is also

designed to assist your service technician in correctly

diagnosing any malfunction.

Notice: If you keep driving your vehicle with this

light on, after awhile, your emission controls

may not work as well, your fuel economy may not

be as good, and your engine may not run as

smoothly. This could lead to costly repairs that may

not be covered by your warranty.

Notice: Modiﬁcations made to the engine,

transmission, exhaust, intake, or fuel system of

your vehicle or the replacement of the original tires

with other than those of the same Tire Performance

Criteria (TPC) can affect your vehicle’s emission

controls and may cause this light to come on.

Modiﬁcations to these systems could lead to costly

repairs not covered by your warranty. This may

also result in a failure to pass a required Emission

Inspection/Maintenance test.

This light should come on, as a check to show you it is

working, when the ignition is on and the engine is

not running. If the light does not come on, have it

repaired. This light will also come on during a

malfunction in one of two ways:

• Light Flashing — A misﬁre condition has been

detected. A misﬁre increases vehicle emissions and

may damage the emission control system on your

vehicle. Diagnosis and service may be required.

• Light On Steady — An emission control system

malfunction has been detected on your vehicle.

Diagnosis and service may be required.

United States

Canada

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