What Happens When You Unplug Throttle Position Sensor?

Is there a vehicle that could run if the throttle position sensor is unplugged? The Throttle Position Sensor can still allow your car to run.

The car does not have its best performance. You should keep reading to find out how bad a bad can be.

Throttle Position Sensor

The air intake on a car’s engine is monitored using a throttle position sensor.

The main goal is to make sure the proper amount of fuel is mixed with the air. You can watch it as it is placed on the butterfly shaft.

If the car is broken, it may be tempting to run it if the power is not on. The health of your car can be affected by long-term consequences. It can be downright dangerous.

The little sensor has the job of finding the position of the throttle and sharing it with the engine control module.

Your car’s system is dependent on this information, as it plays a role in airflow temperature, engine speed, and other components.

Throttle Position Sensor

Bad Throttle Position Sensor

You can see that the car has a bad performance when the throttle position sensor is malfunctioning.

If you can determine the performance of your car due to the TPS, then you should replace it. If one heeds in getting it replaced, they may find themselves stuck along the highway.

Or worse, if the car starts to accelerate by itself, the driver will be unable to control the car.

Your car may begin to shake. Pressure will be put on the motor, which could cause it to stop running.

The transmission mount is possible to be affected. If either of these needs to be repaired, you will be shelling out a lot of money.

Check Engine Light

If you have a bad throttle position sensor, the first sign will be the check engine light. This could happen with a throttle position sensor being unplugged or in need of repair.

If you just have a check engine light on, the problems with the car may be minimal. If the light pops on and there are other issues listed, you need to have the TPS checked.


If the TPS is not up to par, you can face a lot of power problems.

Your car will start to accelerate if your TPS is unplugged or in need of repair, but it will only go up a certain speed.

Most of the time, it will stay between 20 to 30 MPH. There could be a lack of power that prevents you from speeding up.

On the flip side, the car could begin to accelerate on its own.

Stalling or Slow Idle

Your car stalling is one of the telltale signs that your car is unplugged or broken. It may have a slow idling or a misfire.

Changing Gears

It can be difficult to change gears when your car is unplugged or needs to be repaired.


A dirty Throttle Position Sensor can cause a car to stall or jerk. There is an interruption in the flow of air when the dirt is allowed to build up.

A throttle-body cleaning is a part of your car’s regular maintenance schedule.

Car manufacturers say you should clean it every 100,000 miles, but others say it is best to clean it after 30,000 miles.

Fuel Economy

The drop in your car’s fuel economy may be related to that. This could cause you to pay more at the pump.

Fixing a Throttle Position Sensor

If you know how to drive a car, it’s not difficult to replace a Throttle Position Sensor. If a beginner can easily follow instructions, then they can do it.

The vehicle will need to be parked on a flat surface and you will need gloves and protective eyewear.

You want to be certain that you are safe, and if there are live wires, you have a huge chance of being hurt. Heed and removed any clips that were attached to them.

You have to remove the mounting screws. You may need them when installing the new TPS, so don’t toss them.

You should dispose of the old in the right way after you pulled it out. In reverse order, screw the new Throttle Position Sensor.

It’s a good idea to plug the wiring harness to make sure the clips and plugs are placed correctly.

If you need a mechanic to fix the Throttle Position Sensor for you, you can expect to pay between $150 and $250.

The parts for fixing the TPS are not very expensive. Most of your expenses will be covered by labor charges.

Is it Worth Replacing a TPS?

Do you think it will be worth it to replace your Throttle Position Sensor?

There are a lot of factors that will affect this. Are your car’s low miles new to you? It is worth replacing the TPS if it is true.

If there is a lot of damage to the car and it has high mileage, you may want to sell it as is. It’s not a wise investment to put money into a car.

Throttle Position Sensor


It is best to keep the throttle position sensor in the vehicle. The throttle sensor needs to be fixed as soon as possible.

If you can still drive the vehicle, it’s a good idea to know that you can cause more problems in the long run.

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