How to Replace a Throttle Controller

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Most modern vehicles do not have a traditional throttle cable. Instead, they use what’s referred to as electronic throttle controller or throttle actuator control. This system typically consists of a control module, sensors (such as the throttle position sensor and accelerator position sensor) and the throttle actuator. The control module receives input from these sensors. It then uses this information to determine actuator control to open and close the throttle. Common symptoms of a failed throttle controller include poor performance, rough idle, stalling and an illuminated check engine light.

Part 1 of 2: Removing the throttle controller

Materials Needed

locating the throttle controller

Step 1: Locate the throttle controller. The throttle controller is located on top of the engine between the air intake and the intake manifold.

  • Note: Some throttle controllers must be initialized using an OEM level scan tool after replacement. Consult the factory repair information for your vehicle prior to replacement.

disconnect the negative battery cable

Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside.

removing the air intake tube

Step 2: Remove the air intake tube. Loosen the clamps on each end of the air intake tube with a screwdriver. Then slide the air intake tube off.

  • Note: In some cases, the air intake tube may also have hoses and electrical connectors attached to it that must also be removed.

removing the electrical connector

Step 4: Remove the throttle controller electrical connector(s). Remove the throttle controller electrical connector(s) by pushing down on the tab and pulling it off. In some cases, the connectors may also have tabs that need to be pried back using a small flathead screwdriver.

removing the throttle body bolts

Step 5: Remove the throttle body bolts. Using a ratchet, remove the bolts holding the throttle body to the intake manifold.

removing the throttle controller

Step 6: Remove the throttle controller. Remove the throttle controller from the vehicle.

removing the throttle controller gasket

Step 7: Remove the throttle controller gasket. Carefully remove the throttle controller gasket by using a small screwdriver to pry it off. Clean any remaining gasket material by using brake cleaner applied to a rag.

Part 2 of 2: Installing the new throttle controller

Installing the new throttle controller

Step 1: Install the new throttle controller gasket. Install the new gasket and mount the new throttle controller in position.

install the throttle body bolts

Step 2: Install the throttle body bolts. Install the throttle body bolts by hand one at at time. Then tighten them down using a ratchet.

reinstalling the electrical connector

Step 2: Reinstall the electrical connector(s). Reinstall the connectors in the same way that you removed them.

reinstall the air intake tube

Step 4: Reinstall the air intake tube. Slide the tube into place and tighten down the clamps using a screwdriver.

reconnect the negative battery cable

Step 5: Reconnect the negative battery cable. Reconnect the negative battery cable and tighten it down.

That’s what it takes to replace your throttle controller. If this seems like a task you’d prefer to leave to a professional, YourMechanic offers expert throttle controller replacement at a time and place of your choice.


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Recent Throttle Body Replacement reviews

Excellent Rating


YourMechanic Throttle Body Replacement Service

Average Rating

4.8/5

Number of Reviews

209

Rating Summary
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Andrew

23 years of experience
148 reviews
Andrew
23 years of experience
Buick Verano - Throttle Body - Lithonia, Georgia
Andrew was very professional and very knowledgeable. He arrived to my place of residence an hour before my appointment. I was not home at the time and he called me to inform me that he was at my home. He patiently waited until I arrived. He immediately started performing the job on my car and was completed in no more then 30 minutes later. He also did a inspection on my vehicle as well. He was very detailed and I would like to have him personally to perform any other work that's needed on my vehicle. This company services and communication is outstanding and I will recommend them to my friends and family.
Ford Bronco - Throttle Body - Athens, Georgia
Andrew did a great job with my vehicle today and I highly recommend him. I will be booking him for future maintenance work with complete confidence in his abilities. 5 star mechanic !!

Jerome

32 years of experience
153 reviews
Jerome
32 years of experience
Nissan Quest - Throttle Body - Bowie, Maryland
Jerome was courteous and competent. The service was excellent. I am very much satisfied with the results of the work.

Michael

21 years of experience
29 reviews
Michael
21 years of experience
Jeep Patriot - Throttle Body - Farmington, Michigan
Second time he came out, this time for a different problem...very professional and quick. Would definitely book again!

AUDIE

31 years of experience
186 reviews
AUDIE
31 years of experience
Ford Mustang - Throttle Body - Las Vegas, Nevada
Audie worked on my Mustang today, and I can see why he is getting all of these perfect reviews on here. It’s well deserved! He was very punctual, friendly, respectful, honest, patient, knowledgeable, did a GREAT job, answered ALL of my many questions, and cleaned the area up very well after the job was done. He even cleared up some confusion that I had with my car. He’s easily one of the best mechanics I’ve ever dealt with! I will DEFINITELY be going through Audie on here for my future Mustang needs, and I’ll be recommending him as well to others. A+++

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