Chevrolet 2007 TrailBlazer Spezifikationen PDF herunterladen (Seite 210)

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Did you just drive through a deep puddle of water?

If so, your electrical system may be wet. The

condition will usually be corrected when the

electrical system dries out. A few driving trips

should turn the light off.

Have you recently changed brands of fuel?

If so, be sure to fuel your vehicle with quality fuel.

See Gasoline Octane on page 384. Poor fuel

quality will cause your engine not to run as

efficiently as designed. You may notice this as

stalling after start-up, stalling when you put

the vehicle into gear, misﬁring, hesitation on

acceleration, or stumbling on acceleration. (These

conditions may go away once the engine is

warmed up.) This will be detected by the system

and cause the light to turn on.

If you experience one or more of these conditions,

change the fuel brand you use. It will require at

least one full tank of the proper fuel to turn the

light off.

If none of the above steps have made the light

turn off, your dealer can check the vehicle.

Your dealer has the proper test equipment and

diagnostic tools to ﬁx any mechanical or electrical

problems that may have developed.

Emissions Inspection and Maintenance

Programs

Some state/provincial and local governments have

or may begin programs to inspect the emission

control equipment on your vehicle. Failure to pass

this inspection could prevent you from getting a

vehicle registration.

Here are some things you need to know to help

your vehicle pass an inspection:

Your vehicle will not pass this inspection if the

check engine light is on or not working properly.

Your vehicle will not pass this inspection if

the OBD (on-board diagnostic) system determines

that critical emission control systems have not

been completely diagnosed by the system.

The vehicle would be considered not ready for

inspection. This can happen if you have recently

replaced your battery or if your battery has

run down. The diagnostic system is designed to

evaluate critical emission control systems

during normal driving. This may take several days

of routine driving. If you have done this and

your vehicle still does not pass the inspection for

lack of OBD system readiness, your dealer

can prepare the vehicle for inspection.

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