What does it mean to hold the throttle wide open?
fully opened up
In an internal combustion engine, this state entails the maximum intake of air and fuel that occurs when the throttle plates inside the carburetor or throttle body are “wide open” (fully opened up), providing the least resistance to the incoming air. …
What is the objective of the wide open throttle test?
The purpose of the present study is to improve the on-street exhaust noise measurement technique for regulating vehicles that emit unacceptably large exhaust noise. The method under development uses racing operation of engines with a wide-open throttle on a standing vehicle.
What does throttle closed mean?
Closing the Throttle Valve reduces the fuel/air mixture and thus a smaller bag and less acceleration/speed. Fully close the Throttle Valve and you stop the flow of fuel and air and the engine stops running.
What does it mean when your car throttles up while driving?
In these cases, the TPS isn’t providing the right input, the onboard computer cannot direct the engine to work properly. When the car accelerates while driving, it usually means the butterfly valve inside the throttle has closed up and pops open suddenly when the driver presses on the accelerator.
What should the throttle reading be at idle?
Once you’ve identified the wires, you can begin comparing voltage readings. The output reading at idle should be about 5 percent or less of the reference voltage, and more than 90 percent when you turn the throttle to wide open.
Why does my computer keep closing the throttle?
Most often, TPS failure will manifest as more of an unsteady electrical connection than an outright failure; this unsteady connection tells the computer that you’re rapidly opening and closing the throttle, even though you’re not.
How is the throttle arm connected to the wiper arm?
When the arm is over the skinny end of the crescent, not much voltage goes through from the arm to the output wire. As the arm sweeps over to the fat end, more current makes it to the output wire. The wiper arm is connected to the throttle shaft on the engine; so, as the throttle blade opens and closes, the output voltage goes up and down.