For older cars especially, it’s important that fuel filters get changed approximately every two years or every 30,000 miles. If you suspect a dirty fuel filter to be the cause of your decreased gas mileage, bring your car into your local Firestone Complete Auto Care for a fuel pressure test. 5. Worn Out Piston Rings. Ford Focus 2008 1.6 16V fuel consumption is 7.7 litres per 100km in combined city/highway mode (13 km/l), city fuel economy - 10.6 l/100km, fuel consumption on highway - 6 l/100km. Fuel tank capacity is 55 litres or 14.53 gallons , which gives a mileage up to 700 kilometers without refueling in urban cycle and even up to 900 kilometers on highway. Years produced: 2008, 2009, 2010. Ford Focus ST specs (2008-2010), performance, dimensions & technical specifications - encyCARpedia   Car Specs  Rankings  Garages EPA Fuel Economy Est - City (MPG) 24. EPA Fuel Economy Est - Hwy (MPG) 35. Performance Specs. Compare the 2008 Ford Focus against the competition 2009 Toyota Corolla. 7.8. Top speed is limited by 241 km/h (150 mph). The engine has a Euro 4 standard. Fuel tank capacity is 55 liters. Consumption in city is 13.8 lt/100km, consumption in highway is 6.8 lt/100km and combined fuel consumption is 9.3 lt/100km according to official factory data. Estimated Focus ST real World MPG/consumption is 13,0 lt/100km. By specification Ford Focus 2004 consumes 0.3 litres more fuel per 100 km than the Ford Focus 2008, which means that if you drive 15,000 km in a year, the Ford Focus 2004 could require 45 litres more fuel. But when we compare the real fuel consumption reported by users, Ford Focus 2004 consumes 0.4 litres less fuel per 100 km than the Ford The engine has a Euro 5 standard. Fuel tank capacity is 55 liters. Consumption in city is 9.8 lt/100km, consumption in highway is 5.4 lt/100km and combined fuel consumption is 7.1 lt/100km according to official factory data. Estimated Focus 2.0 real World MPG/consumption is 10,9 lt/100km. It is expected to consume 41 percent more fuel than Most 2009 Focus models will have over 100,000 miles, so buyers should be prepared to replace the knock sensor for $250, oil pan costing $500, and the muffler which costs $525. It is somewhat reliable. It is a used car and some parts are janky but it runs well for the most part. It is pretty reliable. 2.0 L (LF-DE, LF-VE, LF-VD) Mazda LF-DE Duratec 20 under the hood of a 2009 Focus. The 2.0-litre (1,999 cc; 122.0 cu in) version has 10.0:1 compression ratio, an 87.5 mm (3.44 in) bore and it shares the 83.1 mm (3.27 in) stroke of the 1.8 L. Changes to the engine include switching from a cast aluminum to a reinforced plastic intake manifold and from Sequential multi-port fuel injection to Updated on 01/15/20. Whereas the fuel consumption display (FCD) gauge expresses average fuel usage over a distance, the instant fuel consumption or instant fuel economy display gauge presents a vehicle's fuel consumption instantly, as it is used. As the vehicle moves along, sensors continuously detect fuel flow rate, throttle position, engine 6S4j0pJ.