12 excelle will increase fuel consumption if it doesn't plug in the throttle.

1, the throttle is what we call the throttle to control the air intake.

2. For the carburetor car, the vacuum degree at the lower part of the carburetor is controlled by the throttle opening, so as to control the air intake and fuel intake.

3. For the EFI vehicle, you control the throttle position sensor or air flow sensor by stepping on the accelerator pedal, and then transmit their signals to the ECU to control the fuel intake.

4. If there is something wrong with the throttle, the working state of the engine will definitely be affected, and the fuel injection may be inaccurate, thus increasing fuel consumption.