Chevrolet 2004 Tahoe Spezifikationen PDF herunterladen (Seite 208)

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Have you recently changed brands of fuel?

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

See Gasoline Octane on page 5-4. 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 GM dealer can prepare the

vehicle for inspection.

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