2010 Mercury Grand Marquis engine

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Page 251 of 308

Mercury Grand Marquis 2010  Owners Manuals Running out of fuel
Avoid running out of fuel because this situation may have an adverse
effect on powertrain components.
If you have run out of fuel:
•You may need to cycle the ignition from off to

Page 252 of 308

Mercury Grand Marquis 2010  Owners Manuals For consistent results when filling the fuel tank:
•Turn the engine/ignition switch to the off position prior to refueling,
an error in the reading will result if the engine is left running.
•Use

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Mercury Grand Marquis 2010  Owners Manuals Driving style — good driving and fuel economy habits
Give consideration to the lists that follow and you may be able to change
a number of variables and improve your fuel economy.
Habits
•Smooth,

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Mercury Grand Marquis 2010  Owners Manuals The scheduled maintenance items listed inscheduled maintenance
informationare essential to the life and performance of your vehicle
and to its emissions system.
If other than Ford, Motorcraftor Ford-

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Mercury Grand Marquis 2010  Owners Manuals a malfunction. Temporary malfunctions may cause the service engine
soon
indicator to illuminate. Examples are:
1. The vehicle has run out of fuel—the engine may misfire or run poorly.
2. Poor fuel q

Page 257 of 308

Mercury Grand Marquis 2010  Owners Manuals for 15 seconds without cranking the engine. If the service engine
soon
indicator blinks eight times, it means that the vehicle is not
ready for I/M testing; if the service engine soon
indicator stays

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Mercury Grand Marquis 2010  Owners Manuals 1. Drive the vehicle 20 miles (30 km) or until it reaches normal operating
temperature.
2. Park the vehicle on a level surface and engage the parking brake.
3. With the parking brake engaged and your

Page 261 of 308

Mercury Grand Marquis 2010  Owners Manuals AIR FILTER
Refer toscheduled maintenance informationfor the appropriate
intervals for changing the air filter element.
When changing the air filter element, use only the air filter element
listed. Ref