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.
Oil Pressure Gage
The oil pressure gage shows the engine oil pressure in
psi (pounds per square inch) when the engine is
running. Canadian vehicles indicate pressure in kPa
(kilopascals).
Oil pressure may vary with engine speed, outside
temperature and oil viscosity, but readings above the
low pressure zone indicate the normal operating range.
United States
Canada
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Summary of Contents for 2004 Yokon Denali
Page 5: ...These are some examples of symbols that may be found on the vehicle v...
Page 6: ...NOTES vi...
Page 34: ...Put someone on it Get it up to speed Then stop the vehicle The rider doesn t stop 1 28...
Page 69: ...Yukon Denali Second Row Seat Yukon Denali Third Row 50 50 Split Seat 1 63...
Page 100: ...NOTES 1 94...
Page 150: ...NOTES 2 50...
Page 153: ...NOTES 3 3...
Page 154: ...Instrument Panel Overview 3 4...
Page 424: ...5 108...
Page 430: ...NOTES 5 114...
Page 445: ...Engine Drive Belt Routing 6 15...
Page 462: ...NOTES 7 14...
Page 480: ...NOTES 18...