Yes, if it is partially clogged.
Fuel filter and clean oil may be a good idea, but your 8 to 10 mpg will not change.
Yes of course it can. The liquid fuel engine has lower mpg when starting cold. And everyone knows electric batteries don't work so well in the cold. --------- No it cannot hurt a hybrid car's mpg.
plugs at around 100,000 miles. blow out or replace the air filter. replace the fuel filter.
The fuel filter is mounted in the fuel pump module on top of the fuel tank. It is considered a lifetime filter and is only changed when the pump is replaced. If you are getting 5 mpg, you have a serious problem somewhere but it is not the fuel filter. Check all your exhaust system for a bent pipe. You may also have a clogged converter. Change you air filter, and clean the throttle body.
I'm not sure what a "fuel line bar" is. If it's a metal fuel line it won't hurt for the oil filter to touch it when removing the filter.
Fuel filter, and or thermostat. The fuel filter was the silver bullet for me ( had the same problem). Good luck.
No, it will do nothing to the computer. However the fuel filter may have become clogged with debris. Replace the fuel filter.
Spark plugs, spark plug wires, air cleaner filter, oxygen sensor, fuel filter, and plenty of air in your tires.
Low tire pressure....Dirty air filter....Dirty fuel filter....Wrong Fuel type.....In need of a Tuneup......And the Number one thing is Agressive driving habbits
There are many factors and way to increase the MPG in your Metro. Tire pressure, timing, spark plugs, air filter, fuel filter. I also found this place to be very helpful http://www.teamswift.net/viewtopic.php?t=17057
You can do things such as fill up better, higher octane fuel, change the air filter from stock to an afternarket filter, using fuel additives, or changing your stock intake itself to an aftermarket intake.
25 to 40mpg