Keep your oil changed. 3 quarts of oil, 1 quart of Duralube and one small can of Engine Restore, all at Wally*World (Wal*Mart). We use Penzoil.
Your Ford Focus may be getting poor gas mileage due to a clogged air filter or worn spark plugs. A complete engine tune-up can often fix most issues with poor mileage.
Poor gas mileage.
With mine it was bad wires and plugs and the needed clean the rotor wheel or distrib.cap
check the audio drivers.....
Ford cars have always had very poor tolerances, they are smokers. not very reliable at all.
No, that is pretty poor mileage.
Poor performance, poor fuel mileage,
Poor performance, poor fuel mileage.
check engine light on,getting poor gas mileage on 1996 Plymouth neon
Loss of power, poor fuel mileage, and the converter will get extremely hot and may even turn red.
The timing chain on a 2002 Ford Explorer Sport Trac typically does not require routine replacement like a timing belt, as it is designed to last the life of the engine. However, it should be inspected if you notice signs of wear, such as engine noise, poor performance, or if the vehicle has high mileage (generally over 150,000 miles). It’s advisable to consult the owner's manual or a professional mechanic for specific recommendations based on your vehicle's condition.
What does your owner's manual say? I would change them if the engine is not performing as it should, you are getting poor mileage, or you have over 75,000 miles on these plugs.