2006 Mercury Grand Marquis Owner Guide 2nd Printing - Page 246

2006 Mercury Grand Marquis Manual

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Maintenance and Specifications it from working. Information about your vehicle's emission system is on the Vehicle Emission Control Information Decal located on or near the engine. This decal identifies engine displacement and gives some tune up specifications. Please consult your Warranty Guide for complete emission warranty information. On board diagnostics (OBD-II) Your vehicle is equipped with a computer that monitors the engine's emission control system. This system is commonly known as the On Board Diagnostics System (OBD-II). This OBD-II system protects the environment by ensuring that your vehicle continues to meet government emission standards. The OBD-II system also assists your authorized dealer in properly servicing your vehicle. When the indicator illuminates, the OBD-II system has detected a malfunction. indicator to illuminate. Temporary malfunctions may cause the Examples are: 1. The vehicle has run out of fuel-the engine may misfire or run poorly. 2. Poor fuel quality or water in the fuel. 3. The fuel cap may not have been securely tightened. See Fuel filler cap in this chapter. These temporary malfunctions can be corrected by filling the fuel tank with good quality fuel and/or properly tightening the fuel cap. After three driving cycles without these or any other temporary malfunctions indicator should turn off-A driving cycle consists of a present, the cold engine startup followed by mixed city/highway driving. No additional vehicle service is required. indicator remains on, have your vehicle serviced at the first If the available opportunity. Readiness for Inspection/Maintenance (I/M) testing In some localities, it may be a legal requirement to pass an I/M test of indicator is on, refer to the the on-board diagnostics system. If the description in the Warning lights and chimes section of the Instrument Cluster chapter. Your vehicle may not pass the I/M test with indicator on. the If the vehicle's powertrain system or its battery has just been serviced, the on-board diagnostics system is reset to a "not ready for I/M test" 246 2006 Grand Marquis (grn) Owners Guide (post-2002-fmt) USA (fus)

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it from working. Information about your vehicle’s emission system is on
the Vehicle Emission Control Information Decal located on or near the
engine. This decal identifies engine displacement and gives some tune up
specifications.
Please consult your
Warranty Guide
for complete emission warranty
information.
On board diagnostics (OBD-II)
Your vehicle is equipped with a computer that monitors the engine’s
emission control system. This system is commonly known as the On
Board Diagnostics System (OBD-II). This OBD-II system protects the
environment by ensuring that your vehicle continues to meet
government emission standards. The OBD-II system also assists your
authorized dealer in properly servicing your vehicle. When the
indicator illuminates, the OBD-II system has detected a malfunction.
Temporary malfunctions may cause the
indicator to illuminate.
Examples are:
1. The vehicle has run out of fuel—the engine may misfire or run poorly.
2. Poor fuel quality or water in the fuel.
3. The fuel cap may not have been securely tightened. See
Fuel filler
cap
in this chapter.
These temporary malfunctions can be corrected by filling the fuel tank
with good quality fuel and/or properly tightening the fuel cap. After three
driving cycles without these or any other temporary malfunctions
present, the
indicator should turn off—A driving cycle consists of a
cold engine startup followed by mixed city/highway driving. No additional
vehicle service is required.
If the
indicator remains on, have your vehicle serviced at the first
available opportunity.
Readiness for Inspection/Maintenance (I/M) testing
In some localities, it may be a legal requirement to pass an I/M test of
the on-board diagnostics system. If the
indicator is on, refer to the
description in the
Warning lights and chimes
section of the
Instrument Cluster
chapter. Your vehicle may not pass the I/M test with
the
indicator on.
If the vehicle’s powertrain system or its battery has just been serviced,
the on-board diagnostics system is reset to a “not ready for I/M test”
2006 Grand Marquis
(grn)
Owners Guide (post-2002-fmt)
USA
(fus)
Maintenance and Specifications
246