What is the throttle position sensor on a GMC Yukon?

The throttle position sensor is one of the most vital sensors in your Yukon. If it’s not responding, the ECU has no way of telling how much gas gas you’ve given it. The TPS data also helps determine when the transmission will shift.

Why does the reduced power light come on on my GMC Yukon?

This is one of the most common reasons the reduced engine power light comes on. If the ECU isn’t getting the proper voltage response from the throttle body, it can’t be sure of how much it’ll really accelerate your Yukon from the gas pedal input.

Is the GMC Yukon in Clarksville TN dead?

My Yukon is completely dead. It has been in reduced engine power for over 50,000 miles. Wyatt Johnson GMC in Clarksville TN is a joke of a dealership. They say they’ve replaced everything from O2 sensors to gas pedal to gas cap and still can’t figure it out. I’ve actually been in a wreck due to the vehicle going into reduced engine power.

Is there a recall on a 2003 Denali?

I have a 2003 Denali that first about 3 weeks ago my speedometer broke. Just doesn’t work anymore. I’ve read this is a common problem and there is a civil lawsuit, but no recall on it and the car has to be under certain mileage which of course mine no longer is.

How does a GM throttle body relearn procedure?

A motor and gear reduction set inside the throttle body opens and closes the throttle plate to accomplish your request. Over time, carbon buildup can accumulate around the throttle plate, changing it’s “home” position. If the buildup occurs gradually, the PCM “learns” the new home position.

How to do throttle body re-Learn Chevy Malibu?

1) Start the engine and let it idle in park for 3 minutes. During that period the idle may be higher idle than normal. 2) After 3 minutes, turn the engine off and leave it off for 60- seconds. 3) Start the engine again and let it idle in park for 3 minutes one more time. During these run periods you may see a check engine light.

Is there a TPS sensor on the accelerator pedal?

The result is a smooth and responsive drive. Some cars use both an accelerator pedal position sensor on the pedal and one TPS sensor on the throttle body, while some cars only have a TPS sensor on the throttle body. A TPS sensor’s importance can be emphasized as it can affect the gas mileage and engine response.

How to replace accelerator pedal position sensor Yukon?

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What does the throttle position sensor ( TPS ) do?

The throttle position sensor (TPS) is part of your vehicle’s fuel management system and helps ensure that the correct mixture of air and fuel is delivered to your engine. The TPS provides the most direct signal to the fuel injection system of what power demands are being made by the engine. The TPS signal is continually measured…

Why is my throttle position sensor not working?

The reason this happens is that the ECM doesn’t get correct information from the TPS as to how much to throttle the car. Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS.

Where is the accelerator pedal position sensor located?

The accelerator pedal position sensor is located inside of the accelerator pedal. In some cases, it is possible to replace just the sensor – but on other car models, you have to replace the whole accelerator pedal.

What is the throttle position sensor on a GMC Yukon?