What happens if you disconnect throttle position sensor chevy. Firstly, slowly press the gas pedal to the floor.

Remove these screws and carefully remove the throttle position sensor from the engine. Most engines, use only one (TPS). I just took it to the shop and was told it needs replacing- it was replaced by a different shop Nov of 12, a friend did it in Feb of 12, it was replaced also early 2011, before that 2009 and also in 2006. 9 to 5 volts, it may indicate a problem with the TPS. Sudden idle surges. As a crucial part of the engine management system, the TPS provides real-time data on the throttle’s angle, which is then used by the Test the throttle position sensor and related wiring. Step 3: Locate the Throttle Position Sensor. to/ia/1ATBA00083This video shows you how to install a throttle body assembly on your 2006-2011 Nov 11, 2019 · May 30, 2023 by Jason. Nov 11, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. 350 2-bolt, stock 4bbl. to/ii/1ATPS00002This video shows you how to install a throttle position sensor on your 1999- Jul 14, 2022 · The cost of replacing it can range from approximately $150 to $250, depending on the make and model of the vehicle. Step 1 – Make sure the gas pedal is fully released, then turn the ignition on and wait for 3 seconds. Rockauto has them fairly cheap. to/ia/ACTPS00001This video shows you how to install a new throttle position sensor on your 2 Nov 11, 2019 · If your Chevy Trailblazer has a faulty throttle body, it can cause it to run terribly. orlandjoe said: The throttle position sensor must be in or near the throttle body. If your vehicle has a faulty TPS, take your car to the repair shop Jan 6, 2018 · The code that showed up was P2135 which indicates a throttle issue. What happened is, I live here in Wisconsin where currently it is about 5 degrees outside. . From there the ECU knows how much air is in the system so it can adjust the fuel injection. Loosen the tensioner pulley and slide the drive belt back onto the alternator pulley. A bad TP sensor will show symptoms such as an illuminated check engine light, engine and transmission performance issues, and the vehicle being stuck in limp mode. 2L inline 6 engine does not have a separate, replaceable Throttle Position Sensor. Furthermore, allowing it to supply, the traction aids your car needs, at a given speed. Jan 22, 2024 · After servicing throttle body, turn on engine and let it clear dirt inside of intake. 5. Ground the black multimeter test lead on the battery negative (-) terminal. The repairs will be made at no charge to the customer. If the voltage readings are inconsistent or outside the expected range of 0. Before installing the knee bolster, check and make sure the engine is no longer running in reduced engine power mode. This can result in reduced power and acceleration, making the vehicle difficult to drive. As I've read, it was most likely the result of the throttle body being dirty (which it was extremely). Jul 13, 2024 · The Throttle Position Sensor (TPS) plays an important role positioned on the engine’s throttle body. This symptom is easy to detect. Sudden surges in speed while driving on the highway. A car can still run if the TPS is unplugged, which may be tempting to do if it is broken. It's very straightforward Sent from AutoGuide. The multimeter's voltage reading should decrease in a smooth and linear fashion and return to the initial voltage reading you observed at the beginning of the test. #1 · Jun 19, 2015. If it opens less widely, the TPS will instruct the computer to supply less fuel to the engine, resulting in a lower combustion rate. The “throttle position sensor” and the APP sensor monitor the throttle body valve positioning and signals to the ECU. Broken May 17, 2022 · Step 4 – Press the gas pedal down and fully release. The Check Engine Light comes on when the TPS sends an incorrect reading to the computer. Reduced Fuel Economy. 5L Diesel, TP sensor has been replaced by a non-adjustable Accelerator Pedal Position (APP) module. Its main job is to be certain the proper amount of fuel is mixed with air to provide optimal results. 6L. You control the throttle body position with the Feb 20, 2015 · Dealers are to replace the throttle position sensor and reprogram the Engine Control Module. Jul 21, 2020 · The throttle position (TP) sensor measures the position of the throttle blade. Mar 12, 2009 · On 6. You control the throttle body position with the gas Feb 18, 2023 · A throttle position sensor (TPS) is a device designed to measure and report the position of the throttle body valve in real time. This power comes in the form of 5 Volts DC from the fuel injection computer. to/ig/1ATPS00002The throttle position sensor communicates throttle information to your vehic See full list on mechanicbase. The following steps you will want to do three times. Car hesitates to move when the gas pedal is pressed. Clear trouble codes and check for proper operation. Dec 24, 2015 · B. Nov 11, 2019 · May 30, 2023 by Jason. com App. Jun 4, 2015 · Mount the pedal to its bracket. After replacing a throttle body, it is important to check for any vacuum leaks around the throttle body. At that point, I'm most likely at about Feb 12, 2019 · Replacing the Throttle Pedal Position Sensor Assembly on a Cadillac Escalade ESV involves several steps and requires some technical knowledge. However, the effect of disconnecting throttle position sensor varies depending on the specific make, model and year of the car and the type of fuel system and engine. Recently got the check engine light which was the result of the familiar P0121 code for throttle position sensor. (TPS) stands for Throttle Position Sensor or (TBS) Throttle Body Sensor. An unexplainable bucking and jerking in the vehicle. Jul 12, 2024 · If the throttle valve is opened wide, the throttle position sensor tells the computer to feed more air-fuel mixture into the engine, allowing the automobile to accelerate quickly due to a greater combustion rate. bobg1951chevy. Apply a few drops of anti-stick solution to the tip of the replacement throttle sensor and install it in the throttle chamber. But when your battery goes dead or you disconnect it to work on your vehicle, the PCM “forgets” the adapative home position. The accelerator pedal must be fully depressed and fully released immediately five times in five seconds. This can be done by measuring the voltage and resistance of each terminal with a digital multimeter. It's good to know the reason why you are replacing the sensor and clear the code afte Dec 6, 2016 · Step 2: Locate the transmission position sensor. Throttle control is thus electronic with NO mechanical link from engine to pedal. It sends this information in real Jul 11, 2023 · If this is the case, it happens because the sensor is bad, meaning depressing it would sometimes give out delayed signals or different signals, which your vehicle computer system accumulates and uses it to adjust the mixture. Aug 17, 2023 · The Top 3 Symptoms of a Bad Cam Position Sensor. This indicator is a vague symptom, as it could also point to a variety of issues, but you can expect to see it if there’s any issue with your throttle position sensor. The bulletin recommends repairing the throttle body with the Sensor Kit for this code and for some vehicles, to reprogram the PCM. Step 3: Remove the harness from the sensor. Go under the vehicle and locate the transmission position sensor (switch). Figure 4. Connect the scanner to your vehicle’s computer data port, usually located under the dash. Dec 4, 2017 · This video goes over how to replace the accelerator pedal position sensor on a Chevy Silverado 2500 6. I do not have any symptoms now and the GM letter just states save this letter in case the problem shows in the future. Additional factors to consider are the cost of diagnosing the problem since the symptoms could point to several different issues, such as the fuel injection system and other sensors. Now open your Silverado hood and locate the throttle sensor. Feb 26, 2015 · Align the TPS pickup lever with the tang on the throttle actuator lever (TPS drive lever on the throttle shaft). Wait 5 seconds and start the engine. Most times your car’s throttle position sensor will be at its failing stage but Dec 19, 2022 · Step 2: Locate the TPS sensor. Apr 8, 2024 · This can be done in three simple procedures. Now diconnect the Negative battery terminal and then connect the TBI and the TBI harness to the TBI Jan 26, 2006 · If you want to check for a Bad TPS, jump the tps with three wires then hook up a voltmeter in parrallel with the graound and signal wire and start the engine, rev the engine from idle and WOT and check for a spot where the volts dont change. Start the ignition switch, make sure the accelerator pedal is completely disengaged, and then wait for three seconds. If your Chevy HHR has a faulty throttle body, it can cause it to run terribly. The anti-stick solution will make it easy for you to remove the TPS in case you need to replace it again. Remove the faulty sensor from the throttle chamber. Carbon Deposit Build-up. You can monitor this as it is placed on the butterfly spindle or shaft. The easiest route for you would be to follow along from the air box. So we checked all the visible wiring and there were no issues, we had the trucked towed to our shop where we switched out the sensor with a new one My car's tps sensor keeps going bad. 1978 Caprice Classic Landau. Firstly, slowly press the gas pedal to the floor. Dec 23, 2015 · The throttle position sensor, or the TPS, essentially supervises the actual position of your car's throttle. Wait for another 20 seconds and start the engine. P2122 throttle body sensor P00b4 coolant temperature thermostat sensor P0452 fuel tank pressure sensor P0463 fuel level sensor P0597 thermostat Aug 1, 2023 · The throttle position sensor is responsible for relaying data about the throttle’s position to the ECU, which then adjusts the fuel injection accordingly. Repeat again, leaving the key in the “OFF” position. If your Chevy Malibu has a faulty throttle body, it can cause it to run terribly. Turn ON the ignition. You can bypass the throttle position sensor by disconnecting it before turning on the ignition. Jan 28, 2023 · In summary, when the Throttle PS is unplugged, the engine will run at a default, predetermined setting that may not be optimal for the current driving conditions. It should easily go into wide open throttle. Normal cleaning/maint should solve any sticking problems. Buy Now!New Throttle Body Assembly from 1AAuto. Another serious disadvantage of unplugging the throttle position sensor is carbon deposits will build up inside the engine. 2011 GMC Sierra CCSB 2500HD SLT 6. It is responsible for providing the Engine Control Module (ECM) or Engine Control Unit (ECU) with accurate information about the position of the throttle valve. Turn off the engine. Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Jun 19, 2015 · 167 posts · Joined 2011. 11. So there ya go. Dec 16, 2022 · Your car’s engine will often malfunction when the throttle position sensor is unplugged. Once the battery is disconnected, you will need to locate the two screws that hold the throttle position sensor in place. During your normal driving, consider May 11, 2023 · Source: Dailycartips. The AFM system is particularly designed to improve fuel consumption. Line up the alternator and bolt it back to the bracket. 2. If your vehicle is new, it likely is a non-contact sensor. Grab a creeper, flashlight, and tools for the job. 3. Dorman has a replaceable TPS for the TrailBlazer, but it is for the 5. Start the engine after connecting the throttle Jun 21, 2015 · If the buildup occurs gradually, the PCM “learns” the new home position. Test drive vehicle. Now that you have accessed the throttle position sensor, you can proceed with resetting it. Every owner eventually becomes familiar with how their car responds to pressing the gas pedal. The voltage should increase smoothly and consistently as the throttle is opened, and decrease smoothly and consistently as the throttle is closed. Tighten the pedal mounting bolts to 80 lbs-in. Aug 26, 2015 · You should be able to rotate the TPS to adjust the throttle-closed reading. if the volts wont change from 0 to 5 volts then its bad and need a replacement TPS it works like Nov 25, 2023 · Resetting the Throttle Position Sensor. You will experience wastage of unburned fuel and pollution from the exhaust pipe. No one has been able to give me a reason it keeps going bad other than the last time it was replaced Mar 27, 2024 · 4. To being working on your Silverado throttle sensor, you’ll need to turn the ignition to the “ON” position. Re-install the retainers, lock washers and screws. Turn the ignition on and push the gas pedal down. You will see a device connected to the throttle body that has wires running to the ECU. This sensor is essential for monitoring the position of the butterfly valve in the throttle body. Still no acceleration and p2122 code came back. Follow the prompts to reset, calibrate, or program the new throttle position sensor. Mar 27, 2014 · This video will describe to you how to replace the Throttle Body on a 2006 Chevy Impala. By detecting how far the throttle is open, the TPS helps regulate the air-fuel mixture entering the engine. You can also program ECM to disappear the P0300 code. Intermittently flashing of check engine light for no apparent reason. The information it gathers is then sent to your car’s computer. Additionally, the ECM will not receive accurate information about the throttle position Jun 17, 2024 · If you are facing the same issue, check the throttle body motor as its long thread can become damaged. Remove the Screws. 8L V6 Buick (or Chevy, Olds, Pontiac) needs power to work. To reset the throttle position sensor in a Chevy, disconnect the negative battery and then disconnect the throttle position sensor. Multimeter used in Dec 3, 2023 · For the most thorough and precise sensor calibration, use an OBD-II scanner tool. Your Equinox’s throttle body controls the amount of air that enters the engine. Wait 10 seconds after finishing the Feb 4, 2016 · Testing your Silverado TPS Sensor for Power. Turn the key to the ON position but don't start the engine, and place your multimeter in Volts DC mode. So, the symptoms of a bad throttle body will all affect how the vehicle feels responding to your Parts lists and sponsors in description:This video is a step by step walk through of how to replace the Throttle Body and the Throttle Position Senor(TPS) on Jun 16, 2022 · The timing of calibrating a sensor is important, so you might need to keep a timer handy when you follow these steps. It should be slightly open, allowing in just enough air to keep the car running at an idle. The throttle position sensor is a critical component in your vehicle’s engine management system. #1. Follow these steps to reset the TPS: Disconnect the TPS: Carefully disconnect the electrical connector from the throttle position sensor. Do you think you might be dealing with a bad CMP sensor? If your vehicle is exhibiting one or more of the following symptoms, you might be correct. 1. Have your helper lightly tap the TP sensor with the butt of a screw-driver's handle (or something similar). Once it is out, you will need to clean it with some carburetor cleaner or a degreaser. APP signals PCM which signals fuel solenoid driver (FSD) and fuel injector control. Nov 8, 2022 · How do you test a 6 wire throttle position sensor? A faulty throttle sensor can cause OBD-2 codes. This may require removing any securing clips or gently unplugging the connector. Turn ON the A/C and continue to idle the vehicle in DRIVE for 10 minutes. Essentially, the throttle position sensor helps to regulate the amount of fuel and air that enters your engine, which affects things like your speed and acceleration. Furthermore, if the TPS is disconnected Sep 20, 2023 · Turn off all accessories. Mos Dec 11, 2018 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Jul 12, 2010 · The throttle position sensor (TPS) on your 3. Rough Idling. The sensor itself is a small, black box that has a Mar 12, 2021 · If so it comes with detailed instructions and pictures of what to unplug. 5V is the system voltage for the sensor but the measured voltage is usually less because, even with throttle wide open, you aren't necessarily using 100% of the TPS available movement. Mos Sep 4, 2022 · The Importance of the Throttle Position Sensor. P code, try starting the engine (make sure your car is chaulked and safe for service repair work) you will get a "Engine Disabled" code. If it is a faulty throttle position sensor, you definitely don't want to wait to get this checked out. Next, any unusual changes in your acceleration could be linked to this sensor. Oct 29, 2021 · Here are the steps onhow to test TPS sensor. Does anyone know what else could be a problem and way to fix it. Re-install throttle body and reset minimum idle speed to factory specs. Nov 2, 2016 · Here is how to diagnose a bad throttle position sensor TPS on a car or truck. Your Malibu’s throttle body controls the amount of air that enters the engine. E. Engine Power Is Insufficient. This sensor's primary job is to monitor the position of the throttle pedal and Jul 18, 2023 · Operate the throttle and observe the voltage readings on the scan tool. It is integrated into the Throttle Body and the entire (throttle body) unit needs to be replaced. Oct 29, 2021 · If your TPS is faulty or uncalibrated, the sensor will be unable to accurately determine the position of the sensor. I followed the how-to tips found here and cleaned it last week. Turn the steering wheel to the middle so that the front wheels are pointed straight. Diagnosing a bad TP sensor involves testing the part. 4. From what I have found online, it says it could be the throttle body or the position sensor. After that turn ignition key to run position for 20 seconds and back off for 20 seconds. S. Jun 6, 2010 · 9. But it will run well only for a brief moment. Feb 28, 2023 · A defective throttle position sensor will not be able to deliver its data at the appropriate time to speed up the automobile, and as a result, the car will abruptly speed up when you are not intending to do so. Alright, these are the test steps: 1. This will lead to a variety of symptoms, all of which are caused by the fact that the ECM is delivering the wrong air/fuel ratio to the cylinders thanks to the bad sensor. In order to test a 6 wire throttle sensor, one must first determine the electrical characteristics of the individual wires (attached to the throttle). The wire that delivers these 5 Volts to the TPS is the grey wire of the TPS connector. What happens if you disconnect the throttle position sensor? Disconnecting the throttle position sensor can present many Feb 21, 2012 · Symptoms of a Faulty Throttle Position Sensor. This test will help you to confirm if these 5 Volts are present or not. Install the throttle position in reverse order to the removal process. Reattach the sensor and the battery, and your Chevy should be good to go. Since so many processes rely on the engine getting the right mixture of air and fuel, a disconnected sensor causes various problems that affect the vehicle Jan 25, 2017 · The 2004 TrailBlazer with the 4. Aug 8, 2023 · What Happens if You Disconnect the Throttle Position Sensor? Disconnecting the throttle position sensor will cut the PCM off from critical information it needs when setting the air-fuel mix. Place the new TPS on the throttle body and secure it using the T20 Torx bolts. Among the throttle position sensor symptoms is a loss of engine power in your vehicle. 1881 posts · Joined 2009. The TPS in the throttle body is a more common failure, fortunately it is now available separate from the TB itself. Clear the DTC information with the scan tool. Jan 8, 2023 · For example, we found the service bulletin SB-10044229-8347 for a number of Chevy and GM vehicles with the code P2135: Throttle Position (TP) Sensor 1-2 Correlation. Remove and replace the throttle position sensor if found faulty. This is the throttle position sensor. When I accelerate, the throttle position climbs correspondingly. As a result, the engine may experience various problems, including idle control issues, poor acceleration, and even stalling. Your Trailblazer’s throttle body controls the amount of air that enters the engine. Jun 29, 2015 · Step 4 – Install the new TPS. Here's a gener Feb 21, 2022 · The throttle position sensor is needed to monitor air intake on a car’s engine. If your Chevy Equinox has a faulty throttle body, it can cause it to run terribly. or Canada will receive a separate notification and be addressed by Saab Authorized Service Centers. If you disconnect the throttle position sensor (TPS), the engine control system will no longer receive a signal indicating the angle of the throttle valve. Nov 11, 2023 · I replaced the throttle pedal as suggested by google search, cleared the codes, but no luck. #13 · May 28, 2013. If you start to experience engine misfires, stalling, or rough idling when the car is stopped, it can also be a warning sign of a bad TPS. Dec 4, 2016 · 2007 Silverado 5. This ensures the sensor communicates properly. Disconnect the hose from the throttle body and set it aside. If you replace the throttle body, the PCM won’t know and will continue to use the adaptive settings as if the carbon buildup is still in Feb 21, 2023 · Here is a more detailed list of the signs of a bad or failing accelerator pedal position sensor to look for: 1. It will be the housing attached to the engine block. #10 · Dec 29, 2015. It's quite normal to see less than 100% when the throttle is wide open. Today's modern cars, trucks, and SUVs are all equipped with an electronic throttle control system that contains an accelerator pedal position (APP) sensor. Jan 26, 2023 · Throttle Position Sensor (TPS) The (TPS) reports the position of the throttle valve, to your engine’s computer. Clean any debris that may be on the sensor or in the connector. Because if your Sep 15, 2023 · Buy Now!New Throttle Position Sensor from 1AAuto. Check Engine Light Illumination. The TPS is found in the butterfly spindle/shaft. Find the throttle body. This powers up the sensors in your engine bay, and now you can test your throttle position sensor. Then, the ECU works with that signal to determine Jun 9, 2023 · Locate the air intake hose that connects the air filter housing to the throttle body and remove the clamps holding it in place. This is a pretty common problem in some GM trucks. Next, locate the throttle body, where you will ultimately find the TPS sensor. Ignoring this warning can lead to more Aug 9, 2017 · Share your videos with friends, family, and the world Jun 16, 2024 · If you disconnect throttle position sensor, the car computer won’t know when you open the throttle or push down on the gas. Engine Won’t Idle Smoothly, Idles Too Slowly, or Stalls. Note: Because other problems can present the same symptoms as a faulty CMP sensor, you’ll want to perform a thorough diagnosis before condemning Jan 3, 2024 · The Throttle Position Sensor (TPS) is a vital component in a vehicle's engine management system, and disconnecting it can lead to a cascade of issues. 10. If you have a mechanical shifter, you will need to remove the linkage from the transmission. Your HHR’s throttle body controls the amount of air that enters the engine. This information goes to the vehicle’s computer (ECU). Feb 12, 2023 · These are six of the possible symptoms you may notice when the Throttle Position Sensor (TPS) goes bad. The TPS sensor is on the throttle body itself. Feb 6, 2008 · Set the parking brake and block the drive wheels. Run the engine at idle. Jan 19, 2016 · The days of having to constantly adjust the throttle cable due to a loose nut on the carburetor are long gone. Level of difficulty: BeginnerApproximate Time: 1/2 H Jul 13, 2023 · If you are wondering what happens if you disconnect the throttle position sensor, it is important to note that this sensor plays a crucial role in the operation of your vehicle. The screws must be torqued to 18 pounds per foot. 3L, 140k miles. Turn the key to “ON,” but do not start the vehicle. So, the symptoms of a bad throttle body will all affect how the vehicle feels responding to Dec 17, 2014 · Here is a video on how to test a throttle position sensor with a basic multimeter, I also show you how to do this without a wiring diagram. What happens is as we push down on the gas pedal, that May 1, 2022 · An In-Depth Explainer. Step 2 – Stomp on the gas pedal hard and then fully release it as quickly as possible 5 times in 5 seconds. Sudden engine stalling without any apparent reason. This should take around four seconds, and once the pedal hits the floor, leave it there for another three seconds or so. Clean the carbon from throttle body. A throttle position sensor (TPS) is a critical component in modern automotive engines, responsible for precisely measuring the position of the throttle valve within the throttle body. Nov 25, 2023 · Resetting the Throttle Position Sensor. Reconnect the wiring harness from the throttle body to the throttle position sensor. Turn the key to the on position it will read the R. Feb 3, 2022 · Here are some of the most common symptoms of a bad sensor. Jan 26, 2010 · 13660 posts · Joined 2009. The throttle position sensor in this video is on a Chevrolet pick up truck. Your Avalanche’s throttle body controls the amount of air that enters the engine. One of the immediate responses to disconnecting the TPS is the illumination of the Check Engine Light on the dashboard. Jan 2, 2007 · All of the sensor readings seem to be accurate, with the exception of the throttle position sensor, which reads 19% when the car is at idle with my foot off the gas. Buy Now!New Throttle Position Sensor from 1AAuto. Check Engine Light. To do this, pressurize the intake manifold with either a vacuum pump . Reconnect the accelerator pedal sensor. Nov 9, 2022 · The procedure for the calibration of the Throttle Position Sensor is explained below. Owners of 2008-2009 Saab 9-7x vehicles delivered in the U. If you notice the signs of a faulty TPS, it’s important Nov 11, 2019 · Common symptoms of a bad throttle body include dirt and grime, the check engine light, and an erratic idle. Then turn off the engine and wait for around 20 seconds. You may need to replace the TB to solve this issue. For example, when I'm cruising at 50 or 60mph, the TPS reads around 24-25%. You’ll observe a low gas mileage. If the TPS is disconnected, it can lead to an incorrect fuel-to-air mixture, causing the engine to burn more fuel than necessary. Starting the engine after a thirty seconds interval will not present any problem. Long story short had the engine light come on with the throttle position sensor code (Checked with the Edge Insight) and the truck went into limp mode. The throttle body is situated between the air filter and the intake manifold of your engine. Hesitation while accelerating. com http://1aau. Because the TPS is monitoring the throttle plate, any malfunction will be registered. I was driving and got a warning message that there was low engine power and all of a sudden I Jan 12, 2016 · Bad Throttle Position Sensor Symptoms. You control the throttle body position with the gas pedal. The (TPS) also, relays information to your anti-lock braking system. The most common symptom is your check engine light. As your car idles, there should be relatively little movement in the position of the throttle. Place the vehicle in DRIVE and let the engine idle for 10 minutes. Probe the wire labeled with the #3 (in the photo above) with the red multimeter test lead . However, with those readings I wouldn't worry about it. PART 3. 3L V8 engine. Now, locate the TPS, which is attached to the throttle body. Turn the key to “ON” for two seconds and “OFF” again for 10 seconds. com Oct 31, 2014 · Do not disconnect the battery, while you are doing this. 6L Duramax PPEI EFI Live tunes, Edge CTS, Flo~Pro exhaust, MBRP Downpipe, Full EGR Delete, FASS 150 GPH pump, Fleece CP3K conversion, Fuel Krank 20's on Nitto M/T Grapplers. Your Suburban’s throttle body controls the amount of air that enters the engine. Replacing The Throttle Position Sensor. A driver determines the rate of a car’s speed by continually depressing the accelerator pedal, which signals the throttle body to allow the more air-fuel mixture to go in. It will have the fuel line running from it. Vacuum leaks are one of the most common causes of poor engine performance, so it is important to ensure there are no leaks prior to attempting to adjust the throttle body. xg nx md id bs hb ev dj xv lc