2006 Cadillac CTS CTS-V Owners Manual

If the Light Is On  Steady
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.
You may be able to  correct the emission system
malfunction by considering the following:
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.
Did you recently put fuel  into your vehicle?
If so, reinstall the fuel  cap, making sure to fully install
the cap. See  Filling the Tank on  page 5-8. The
diagnostic system can determine if  the fuel cap has
been left off or improperly  installed. A loose or missing
fuel cap will allow fuel to evaporate into the atmosphere.
A few driving trips with  the cap properly installed
should turn the light off.
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.
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.
Here are some things you  need to know to help your
vehicle pass an inspection:
Have you recently changed brands  of fuel?
If so, be sure to  fuel your vehicle with quality fuel. See
Gasoline Octane on page 5-5. 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.
Your vehicle will not pass  this inspection if the check
engine light is on or  not working properly.
3-43
Product Specification
CategoriesCadillac CTS Manuals, Cadillac Manuals
Tags, ,
Model Year2006
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