Chevrolet 2002 Avalanche Bedienungshandbuch PDF herunterladen (Seite 180)

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Have you recently changed brands of fuel?

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

See “Fuel” in the Index. 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,

have your dealer or qualified service center 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 in order to

help your vehicle pass an inspection:

Your vehicle will not pass this inspection if the SERVICE

ENGINE SOON or 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, see your dealer or qualified service center to

prepare the vehicle for inspection.

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