Do you know how your cars internal engine operates?
There is actually a precise mixture of air and gasoline that it takes to run your vehicles engine. The way it works is that the gasoline is vaporized and contained. Upon ignition, the vaporized gasoline produces a furious burst of energy producing the power needed to run your vehicle. The ideal gas to air ratio is 1 to 14.7.
If you think your vehicle may be having engine problems, it is time to get rid of it and start looking for a new car. Read my Edmunds.com review for ideas on estimating true market value of new vehicles.