The wife 'observed' that the fuel mileage was off from the norm a month or two before the tires were put on. Tires - The problem started before the tires were bought. If I missed anything my assistant Africa_FS_07 will fill you in. This can be done in less than 10 minutes. I normally use fuel from Shell but the main point is to use fuel from a station that gets lots of business so there is minimal chance of getting 'old' fuel.įinally clean the throttle body. _-NA-_-NA, it takes less than 5 minutes. The fuel filter is easily accessible under the vehicle and with the proper tool (. Vehicle mfg's always recommend tire pressure significantly under the tire sidewall max rated pressure, which is usually 45 psig. Inflate to at least 36 psig which will increase your mpg. How often do you check it? I would do so at every fill up or long trip which ever comes first. You are talking about a 1 mpg drop which could be attributed to driving style, increased city driving, carrying more weight or tire inflation.Īssuming you are maintaining your vehicle according to schedule I would check your tire pressure first. Spark Plugs - Change not recommended until 90,000 miles.įuel Octane Rating - Always used 87 per the book.Īir Filter - Changed at 45,000 miles (Fram). Tires are nearly new about 10,000 miles on them. Tire Pressure - Kept at recommended levels. So changing out a possibly clogged one isn't an option.įuel System Cleaner - The book recommends not doing this. I'm hoping someone here with experience can chime in.įuel Filter - To the best of my knowledge, there is no user serviceable fuel filter on these. Here's some of my thoughts on the usual suspects. Out on the highway it used to get about 22 per tank. Over the last 8 to 10 months the average around town mileage has dropped from an average of 19.9 to 18.8. I have a 2008 Taurus X AWD with about 50,000 miles on it. Reverendlinux wrote:I've trolled the forums here and can't seem to find an answer that fits my issue. It can't hurt to check your plugs and wires The Ford 3.0 has no knock sensor and fuel with octane above 87 won't change the performance. Don't waste your time with additives that promise to raise the octane level in your gas. You can buy this stuff online, or find a shop that will do the service for you. There are other retailers that aren't on the list but meet the specifications for top tier gas.įuel Additives - I use this BG 44K ( ) fuel additive at every oil change, not so much to enhance the octane but to help with keeping carbon buildup to a minimum. This link ( ) will give you an idea of some of the the retailers that participate in the program. Top Tier fuels have more detergents in them to keep the fuel line clean, especially the throttle body, which is know to give surging problems when dirty.

If no leaks start car again, let idle and inspect for leaks again. Test by starting car, shut it down, look for leaks. Replace filter, tighten clamp screw, reconnect fuel lines.Use a oil drain pan, cookie sheet, or coffee can.

Filter is located under passenger side center seat.Be sure to try for a few moments to ensure the pressure is removed from the fuel line. NOTE - Car may not fully start either time. Pull relay #53 from fuse panel under hood.If you are going to do it yourself, there are some of the things to note: It is located under the passenger side center seat.

2002 ford taurus fuel pump problems