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The engine air filter in your 1999 Mercury Grand Marquis cleans the air that enters your engine. You should change the filter on your Grand Marquis at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your Grand Marquis to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your Grand Marquis and how to change it!
In addition to improving the fuel economy of your Grand Marquis, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your Grand Marquis, you can easily swap it for a new one if it is dirty).
DRLs are on more than your headlights. They burn out faster and should be replaced regularly1999 Mercury Grand Marquis LS 4.6L V8
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?1999 Mercury Grand Marquis LS 4.6L V8
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!1999 Mercury Grand Marquis LS 4.6L V8
Coolant hoses wear out over time and need to be replaced - check 'em early and often1999 Mercury Grand Marquis LS 4.6L V8
Don't be caught in the fog with burnt out fog light bulbs1997 Mercury Tracer LS 2.0L 4 Cyl. Sedan
A/C blowing hot air?2009 Mercury Grand Marquis LS 4.6L V8 FlexFuel