Hit it with a big hammer
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Sport mode in a Honda Accord enables the driver to use a preset program where the car responds faster. The car is quicker but at the costs of fuel.
No, not from the factory there isn't.
executive sport
The Sport button on the shifter for the 1991 Honda Accord is to change the motor so that it will have a little more power. The RPMs should go up by about 500 RPMs.
According to their website, the 2013 Honda Accord has a base price of $21,680. This is the price of the Accord LX, and will vary based on options and if you choose another model (such as the Accord Sport or Accord EX).
sport
It varies according to the year of the Accord. The 2014 Honda Accord 4 cylinder develops 185 h.p. except the Sport which develops 189 h.p. The V6 puts out 278 h.p.
17 gallons
If it has a sport mode switch, normally next to the shifter with a 'S' on it, release it. Check the gearbox fluid level. Get the brake bands, filter and pump checked.
Does it blink all the time or only when "sport" schedule is selected?
The S light indicates you are in the SPORT mode on the transmission. On the left side of the shifter stick you will find a small button that toggles SPORT on and off. If the button will not switch the light off and go back into normal mode you most likely have a defective TCU unit.