NOTE: You can find an explanation of how the electronic throttle body works here: Electronic Throttle Body Basics (2007-2009 3.5L Chevy Malibu And Pontiac G6). DIAGRAM 2: Accelerator Pedal Position (APP) Sensor Circuits More 3.5L V6 Chevy Malibu Tutorials. You can find a complete list of 3.5L V6 Chevy Malibu tutorials here: GM …In this video, you will learn 4 symptoms of a bad throttle position sensor. Watching this video will help you diagnose to see if it is time to replace your b...Part # 19259452. SKU # 921306. Limited-Lifetime Warranty. Notes: GM Original Equipment. PRICE: 178.99. 2007 Chevrolet Suburban 1500 Throttle Position Sensor (TPS) 2009 Chevrolet Suburban 1500 Throttle Position Sensor (TPS) Equip cars, trucks & SUVs with 2008 Chevrolet Suburban 1500 Throttle Position Sensor (TPS) from AutoZone. Get Yours Today! The throttle position sensor (or TPS) monitors the throttle body butterfly valve. This helps your ECU control the fuel and air mixture. If the throttle position sensor fails, your ECU …Order Chevrolet Impala Throttle Position Sensor Connector online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. 20% off orders over $120* + Free Ground Shipping** Eligible Ship-To …Aug 17, 2023 · Diagnostic trouble code (DTC) P2127 stands for “Throttle/Pedal Position Sensor/Switch “E” Circuit Low. This code sets when the powertrain control module (PCM) detects an unusually low voltage from the throttle/pedal position sensor/switch. The “E” in this code’s meaning refers to a particular circuit, sensor, or area of a specific ... We currently carry 2 Throttle Position Sensor products to choose from for your 2008 Chevrolet Impala, and our inventory prices range from as little as $199.99 up to $244.99. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Throttle Position Sensor products for the 2008 Chevrolet Impala.16. Place the TP sensor cover in the position as shown. Confirm the TP sensor drive slot orientation is aligned in the TP sensor cover as shown. ⇒ If the TP sensor drive slot orientation is not aligned as shown, use a small flathead screwdriver to gently rotate the TP sensor drive slot clockwise to the wide open throttle (WOT) position as ... Jan 16, 2013 · 1 Answer. SOURCE: changing a thermostat on 2008 Chevy Impala 3.9L. There are two hoses that come from the radiator. The very bottom hose is conneted to the thermostat housing. Looking at the car from the front under the hood just below the first hose is another one same in diameter and there it is two bolts and you done. Posted on Dec 03, 2010. My part listed on my invoice is J5584 Accelerator Peddle Position Sensor. It found DX code P2138, followed DOC ID 2614036, Replaced Throttle Body Pedal Assambly. this was on 02/28/2012 and so far so go since the replacement. Mar 6, 2023 · 2. Push Accelerator. You might be able to reset the sensor without much effort. Turn on the vehicle without starting the engine and leave the key in the ON position. If you have a keyless start, just push the button one time, not enough to crank the engine over. Hold down the accelerator pedal for twenty seconds. Common causes of the P2101 code are a bad accelerator pedal position sensor, faulty throttle position sensor, malfunctioning throttle control motor, and issues with the PCM or wiring. A vehicle that logs the P2101 code can show symptoms like an illuminated check engine light or malfunction indicator lamp, fixed idle speed, poor engine …This all happened yesterday. After researching and hearing complaints about GM and how they are charging people anywhere from $250 - $600. We decided to take matters into our own hands. We took my car to autozone had them run a FREE test on my car order the accelerator pedal sensor which is $72.99 at autozone.During your normal driving, consider inspecting your sensor if you experience any of these throttle position sensor symptoms: Hesitations during acceleration; Poor power; Difficulty and/or delay in gear shifting; …The average cost for a Throttle Position Sensor Replacement is between $159 and $199. Labor costs are estimated between $55 and $69 while parts are priced between $104 and $130. Your location and vehicle may affect the price of Throttle Position Sensor Replacement.Dec 6, 2016 · Step 1: Locate the sensor. The throttle position sensor is mounted to the throttle body on top of the engine. Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside. Step 3: Remove the sensor electrical connector. Remove the electrical connector by pushing down on the tab and sliding it off. This video just shows a simple swap of the accelerator sensor. This is NOT a How To video. Just figured it might could help someone out a little. It's kinda ...Throttle Body . Intentionally blank ... CHEVROLET > 2008 > IMPALA > 3.5L V6 > Interior > Accelerator Pedal Position Sensor. Price: Alternate: No parts for vehicles in ... Shop Chevrolet Impala Replacement Throttle Position Sensor. Search our online throttle position sensor catalog and find the lowest priced discount auto parts on the web. We …I have a 2008 Chevy Impala SS with a 5.3L V8. I am trying to find the location of the throttle position sensor, but - Chevrolet 1995 Impala question. Search Fixya. Browse Categories Answer Questions . 1995 …You will have a no start or stalls after engine gets hot and then cools down restarts, the sensor is on the front of the engine mounted into the cam gear cover if it is not visiable get under the, (here is a picture) car and look. Posted on Jan 21, 2009 Anonymous 1263 AnswersThe throttle position sensor (or TPS) monitors the throttle body butterfly valve. This helps your ECU control the fuel and air mixture. If the throttle position sensor fails, your ECU doesn't know how much air is passing through the valve. That means it can't calculate the fuel and air ratio.About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Step by step removal and cleaning of 08 Chevy Impala throttle body18. Position and install the TP sensor cover to the throttle body. Hold the TP sensor cover in position. If necessary for ease of the clip installation, secure a rubber band around the throttle body and TP sensor cover. 2700151 19. Install the first new TP sensor cover clip (1) in the position shown. Dec 13, 2009 · 110311 Views 21 Replies 15 Participants Last post by six 9 , Aug 18, 2017. J. jds54 Discussion starter · Dec 13, 2009. Has anyone out there experienced issues with Throttle position sensor on 2008 or 2009 malibu. My car is showing symptoms of a bad sensor. Mine is a 2008 LS with 3.5l V6 engine only 29,000 miles. Save. Not open for further replies. DescriptionP2138 is a diagnostic trouble code (DTC) for "Throttle/Pedal Position Sensor/Switch D/E Voltage Correlation". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light ... NTK Accelerator Pedal Sensor - AD0451. The accelerator pedal position sensor tells your throttle body how far to open. When you press or let off the gas pedal, it sends that data to the vehicle's engine control unit (ECU) to be relayed to the fuel system and throttle body. An accelerator sensor may fail due to heat from the firewall.Chevy Impala 3.5L / 3.9L 2008, Throttle Position Sensor by MotoRad®. MotoRad fuel caps are designed and manufactured to prevent fuel loss, primarily through evaporation. A faulty or leaky fuel cap emit up-to 30 gallons of fuel per year... We offer high quality new, OEM, aftermarket chevrolet impala throttle position sensor parts. Buy online or call toll free. Chevrolet Impala Throttle Position Sensor - Engine TPS - Replacement Standard Motor Products Hitachi AC Delco Delphi API DIY Solutions Autopart Premium - 2008 2006 2009 2011 2007 2010 2003 2004 08 06 09 11 07 10 03 04 …These are six of the possible symptoms you may notice when the Throttle Position Sensor (TPS) goes bad. 1. Check Engine Light. The Check Engine Light comes on when the TPS sends an incorrect reading to the computer. Because the TPS is monitoring the throttle plate, any malfunction will be registered.I have a 2008 Chevy Impala SS, the DTC P2127 - Throttle/ Pedal Position Sensor/ switch E Circuit Low Input. What - Chevrolet 2008 Impala SS question. Search Fixya. Browse Categories ... The P2127 code means that the throttle or pedal position sensor switch E has a low input.2008 Chevrolet Impala Sensor - Fuel Level. ... 2008 Chevrolet Impala Throttle Position Sensor (TPS) 2008 Chevrolet Impala Tire Pressure Monitoring Sensor. 2008 Chevrolet Impala Vehicle/Transmission Speed Sensor. Popular Brands. Duralast Gold Chassis; AC Pro; ACDelco;No matter the situation, Advance Auto Parts has the Throttle Position Sensor Connector product you desperately need. We currently carry 4 Throttle Position Sensor Connector products to choose from for your 2008 Chevrolet Impala, and our inventory prices range from as little as $30.99 up to $64.99. On top of low prices, Advance Auto Parts offers ...2008-2011 Chevrolet Impala 2008, 2011-2012 Chevrolet Captiva 2008-2012 Chevrolet Colorado, Malibu 2009-2012 Chevrolet Traverse 2008-2012 GMC Canyon ... Use the following steps to replace the Throttle Position Sensor Cover. Note: Handle the electronic throttle control components carefully. Use cleanliness in order toI have a 2008 Chevy Impala SS with a 5.3L V8. I am looking for the throttle postion sensor, but have not been able I - Chevrolet 2008 Impala question. ... The throttle position sensor is located on the throttle shaft. It would not be in the air cleaner. Posted on Sep 15, 2012. Helpful 0 ;Get the best deals on Alternators & Generators for 2008 Chevrolet Impala when you shop the largest online selection at eBay.com. Free shipping on many items | Browse your favorite brands ... For Chevy Impala 2006-2008 2009 2010 3.5-3.9L, 2006-2007 Monte Carlo Alternator . $93.89. Free shipping.P2122 is a generic OBD-II code, meaning that it has the same definition for all makes and models of vehicles, including your Chevy Impala. P2122 indicates that the voltage coming from your Impala’s throttle position sensor “D” is below the normal operating range. The most common cause of this code is a bad TPS, a damaged wiring …For 2006-2011 Chevrolet Impala Throttle Position Sensor SMP 27986HC 2007 2008 (Fits: Chevrolet Impala) 2009 2010 Throttle Position Sensor. $96.95. Free shipping. ... 12670834 AC Delco Throttle Body New for Chevy Chevrolet Impala Malibu Equinox. $138.79. 6 watching. Throttle Body For Chevrolet Equinox Malibu Impala GMC Terrain …Order Chevrolet Impala Throttle Position Sensor Connector online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. 20% off orders over $120* + Free Ground Shipping** Eligible Ship-To …١١/١١/٢٠١٩ ... P0121- Throttle position sensor “A” circuit range/performance is the most likely code you'll experience if your car has a throttle body issue.Duralast Throttle Position Sensor (TPS) TPS4167. Part # TPS4167. SKU # 577500. Limited-Lifetime Warranty. Check if this fits your Chevrolet. $9999. Free In-Store Pick Up.NOTE: You can find an explanation of how the electronic throttle body works here: Electronic Throttle Body Basics (2007-2009 3.5L Chevy Malibu And Pontiac G6). DIAGRAM 2: Accelerator Pedal Position (APP) Sensor Circuits More 3.5L V6 Chevy Malibu Tutorials. You can find a complete list of 3.5L V6 Chevy Malibu tutorials here: GM …The PCM will log a P2128 code when it detects a signal input voltage from the throttle position sensor or pedal position sensor that exceeds the correct values stored in its memory.. What Does the P2128 …1. Remove the accelerator pedal. Refer to Accelerator Pedal Position Sensor Replacement in SI. 4089974 Note: The new replacement pedal (1) has a redesigned mounting bracket, which is shaped differently than the original pedal (2). Its installation requires cutting away a small portion of the insulator/sound dampening material under the instrument Second, the sensor might be experiencing a short in the circuit connecting the unit to the ground wire or another wire. Third, the entire unit might be faulty, resulting in inaccurate voltage readings. Last, the powertrain control module might be damaged, meaning that the throttle position sensor is actually in fine condition. The 2008 Chevy Impala has a throttle position sensor, also known as the TPS. It can be found just above the butterfly spindle, or butterfly shaft. This allows it to …٠٤/١٠/٢٠١٤ ... I put it on the machine and it says Throttle /Pedal /Position Sensor /Switch D Circuit low. ... 2008 Chevy Impala Onstar. I Just Picked Up My New ...Mar 6, 2023 · 2. Push Accelerator. You might be able to reset the sensor without much effort. Turn on the vehicle without starting the engine and leave the key in the ON position. If you have a keyless start, just push the button one time, not enough to crank the engine over. Hold down the accelerator pedal for twenty seconds. 2008 CHEVROLET IMPALA 3.5L V6 Throttle Position Sensor (TPS) | RockAuto. NOTE: You can find an explanation of how the electronic throttle body works here: Electronic Throttle Body Basics (2007-2009 3.5L Chevy Malibu And Pontiac G6). DIAGRAM 2: Accelerator Pedal Position (APP) Sensor Circuits More 3.5L V6 Chevy Malibu Tutorials. You can find a complete list of 3.5L V6 Chevy Malibu tutorials here: GM …Today we're replacing, and adjusting, a throttle position sensor. The sensor detects the opening and closing of the throttle valve and feeds that info to the...Dec 6, 2016 · Step 1: Locate the sensor. The throttle position sensor is mounted to the throttle body on top of the engine. Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside. Step 3: Remove the sensor electrical connector. Remove the electrical connector by pushing down on the tab and sliding it off. Common causes of the P2101 code are a bad accelerator pedal position sensor, faulty throttle position sensor, malfunctioning throttle control motor, and issues with the PCM or wiring. A vehicle that logs the P2101 code can show symptoms like an illuminated check engine light or malfunction indicator lamp, fixed idle speed, poor engine …Paôy Pêt, Banteay Meanchey Province, Cambodiaroad map, satellite view, street view, terrain map, photos. Paôy Pêt is situated at 13.66° North latitude, 102.56° East longitude and 39 meters elevation above the sea level. Paôy Pêt is a town in Cambodia, having about 79,000 inhabitants. Paôy Pêt road map.This video will describe to you how to replace the Throttle Body on a 2006 Chevy ImpalaThrottle Position Sensor (TPS) Replacement pricing for various cars. Cars. Estimate. Parts Cost. Labor Cost. Savings. Average Dealer Price. 2009 Pontiac G8. $318.A dual-contact type potentiometer APPS has six wires. So, a 6-pin accelerator pedal sensor wiring diagram consists of two ground wires, two wiring lines for the input voltage, and two signal lines returning to an …Today we're replacing, and adjusting, a throttle position sensor. The sensor detects the opening and closing of the throttle valve and feeds that info to the...2008-2011 Chevrolet Impala 2008, 2011-2012 Chevrolet Captiva 2008-2012 Chevrolet Colorado, Malibu 2009-2011 Chevrolet Traverse 2008-2012 GMC Canyon ... Use the following steps to replace the Throttle Position Sensor Cover. Note: Handle the electronic throttle control components carefully. Use cleanliness in order toSuspect a faulty throttle position sensor for engine problems? Look no further. In this video I will explain how a (TPS) Throttle Position Sensor works, how ...Bart77 · #8 · Nov 19, 2013. A P0121 is set when The ECM detects that the airflow rate is greater than the calculated airflow for greater than 0.2 second. You can try to clean the throttle body and then do a idle learn reset (you will need a Tech2 for this) and see if the code comes back. Or replace the throttle body and do a Idle learn reset ...The P2138 is defined as “Throttle/Pedal Position Sensor/Switch “D”/”E” Voltage Correlation.”. It is triggered when the vehicle’s Engine Control Module (ECM) detects that the signals ...2008 Chevrolet Impala Mass Air Flow Sensor; 2008 Chevrolet Impala Crankshaft Position Sensor; 2008 Chevrolet Impala Coolant Temperature Sensor; 2008 Chevrolet Impala …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. When I accelerate, the throttle position climbs correspondingly. For example, when I'm cruising at 50 or 60mph, the TPS reads around 24-25%. At that point, I'm most likely at …Some common causes of the P0221 code include a defective throttle position (TP) sensor or switch, faulty pedal position sensor or switch, and a clogged throttle bore. Possible symptoms of the P0221 code include an illuminated check engine light, your vehicle intermittently stumbling on acceleration or deceleration, and stalling, …3.4L and 3.1L V6 Engine Sensor Locations. Typical engine data sensor and control component locations on the GM 3.1 / 3.4 L V6 engine. Click sensor description below image for sensor details.. Please consider making a small Tip/Donation . For this part of the test you’ll need to plug your Impala TPS sensor back in. Once it’s plugged back in, pierce the BLUE wire or the wire at PIN 2. This is the signal wire going to your Chevy PCM. While the throttle body is at the closed position, you should see between .5-.9 volts of DC power at this wire.Throttle Position Sensor for Your 2008 Chevrolet Impala. Search through our amazing selection of Throttle Position Sensor products for your 2008 Chevrolet Impala to find …The throttle position sensor (TPS) on most vehicles is located in the engine compartment. It sends input to the electronic engine control so that ignition and fuel injection timing can be adjusted for proper engine operation. When a throttl...Excessive carbon buildup, that holds the throttle body open at startup, may cause a code P2128 to be stored. Clean carbon from the throttle body according to manufacturer’s recommendations and repair or replace defective wiring or components as required, then retest the DBW system. Next, I connect the scanner to the vehicle diagnostic port ...Dec 6, 2016 · Step 1: Locate the sensor. The throttle position sensor is mounted to the throttle body on top of the engine. Step 2: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside. Step 3: Remove the sensor electrical connector. Remove the electrical connector by pushing down on the tab and sliding it off. The throttle position sensor (TPS) is a sensor that measures the position of the throttle and sends a signal to the engine control unit (ECU). The ECU uses this …Common causes of the P2101 code are a bad accelerator pedal position sensor, faulty throttle position sensor, malfunctioning throttle control motor, and issues with the PCM or wiring. A vehicle that logs the P2101 code can show symptoms like an illuminated check engine light or malfunction indicator lamp, fixed idle speed, poor engine …Jan 19, 2016 · Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST. 1 (855) 347-2779. Read FAQ. GET A QUOTE. Common signs of a faulty pedal position sensor include inconsistent engine response, reduced fuel efficiency, and the Check Engine Light coming on. This video just shows a simple swap of the accelerator sensor. This is NOT a How To video. Just figured it might could help someone out a little. It's kinda ...Buy Now!New Throttle Position Sensor from 1AAuto.com http://1aau.to/ia/ACTPS00001This video shows you how to install a new throttle position sensor on your 2...2008-2011 Chevrolet Impala 2008, 2011-2012 Chevrolet Captiva 2008-2012 Chevrolet Colorado, Malibu 2009-2012 Chevrolet Traverse 2008-2012 GMC Canyon ... Use the following steps to replace the Throttle Position Sensor Cover. Note: Handle the electronic throttle control components carefully. Use cleanliness in order toConnector Shape: Rectangle. Terminal Gender: Male. The throttle position sensor (or TPS) monitors the throttle body butterfly valve. This helps your ECU control the fuel and air mixture. If the throttle position sensor fails, your ECU doesn't know how much air is passing through the valve. That means it can't calculate the fuel and air ratio.2008 Chevrolet Impala Clear Vehicle Filter Search For Another Vehicle Filter By Brands ACDelco Standard Ignition 1 - 3 of 3 results for Throttle Position Sensor (TPS) Compare All Pick Up in Store Ship to Home Sort By: Compare Standard Ignition 6 Terminal Throttle Position Sensor - TH455 Part #: TH455 Line: STD Check Vehicle FitThe throttle position sensor (or TPS) monitors the throttle body butterfly valve. This helps your ECU control the fuel and air mixture. If the throttle position sensor fails, your ECU doesn't know how much air is passing through the valve. That means it can't calculate the fuel and air ratio. Your car may choke during acceleration or have a ...The automotive trouble code P2138 throttle/pedal position sensor/switch D/E voltage correlation refers to a problem related to the throttle's ability to open and close properly. ... Code P2138 on 2009 Chevrolet Impala My 2009 Impala experienced "traction control not operating" for about 1 mile, with severe loss of power.Jun 23, 2022 · Code P2138 is an accelerator pedal position (APP) sensor or throttle position (TP) sensor code. In simpler terms, it’s an OBD-II code triggered when one of the two sensors in your gas pedal malfunctions. As our mechanic explains in the video above (1:07), a gas pedal has two APP sensors to essentially serve as fail-safes for each other in ...
16. Place the TP sensor cover in the position as shown. Confirm the TP sensor drive slot orientation is aligned in the TP sensor cover as shown. ⇒ If the TP sensor drive slot orientation is not aligned as shown, use a small flathead screwdriver to gently rotate the TP sensor drive slot clockwise to the wide open throttle (WOT) position as ... . Tag office hinesville georgia
Edited by YouCut:https://youcutapp.page.link/BestEditorGet the Standard Motor Products S-1745 Throttle Position Sensor Connector for your 2008 Chevrolet Impala. Buy now and secure your purchase online!Cost of diagnosing the P2128 code. P2128 is a diagnostic trouble code (DTC) for "Throttle/Pedal Position Sensor/Switch "E" Circuit High Input". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or …Suspect a faulty throttle position sensor for engine problems? Look no further. In this video I will explain how a (TPS) Throttle Position Sensor works, how ...2008 Chevrolet Impala Coolant Temperature Sensor. 2008 Chevrolet Impala Camshaft Position Sensor. 2008 Chevrolet Impala Tire Pressure Monitoring Sensor. 2008 Chevrolet Impala Throttle Position Sensor (TPS) 2008 Chevrolet Impala Vehicle/Transmission Speed Sensor. 2008 Chevrolet Impala MAP Sensor.A dual-contact type potentiometer APPS has six wires. So, a 6-pin accelerator pedal sensor wiring diagram consists of two ground wires, two wiring lines for the input voltage, and two signal lines returning to an …Estimated Delivery Oct. 10. Add TO CART. Notes: GM Original Equipment. PRICE: 178.99. 2007 Chevrolet Silverado 3500 HD Throttle Position Sensor (TPS) 2009 Chevrolet Silverado 3500 HD Throttle Position Sensor (TPS) Equip cars, trucks & SUVs with 2008 Chevrolet Silverado 3500 HD Throttle Position Sensor (TPS) from AutoZone. Get Yours Today! Step 2. Locate TPS sensor – located near your throttle body. At this point, you should know where to find the TPS sensor. But, if you are still struggling take a look at our quick guide located above. Step 3. Remove TPS sensor – Unplug the wiring harness from the existing TPS sensor.Chevrolet Impala Throttle Position Sensor (TPS) Chevrolet Impala Vehicle/Transmission Speed Sensor. Chevrolet Impala MAP Sensor. Chevrolet Impala Knock Sensor. …Standard Ignition 8 Terminal Connector - S1764. The accelerator pedal position sensor tells your throttle body how far to open. When you press or let off the gas pedal, it sends that data to the vehicle's engine control unit (ECU) to be relayed to the fuel system and throttle body. An accelerator sensor may fail due to heat from the firewall.1. Remove the accelerator pedal. Refer to Accelerator Pedal Position Sensor Replacement in SI. 4089974 Note: The new replacement pedal (1) has a redesigned mounting bracket, which is shaped differently than the original pedal (2). Its installation requires cutting away a small portion of the insulator/sound dampening material under the instrument Depending on your particular vehicle model and the fault detected by the computer, a Reduced Engine Power message may appear along with a particular trouble code in the ECM's memory: P0120-P0124. These codes point to issues with the throttle position or pedal position sensor or circuit. P1125.SOURCE: location of crank position sensor on 92 chevy corsica 3.1 You will have a no start or stalls after engine gets hot and then cools down restarts, the sensor is …Throttle Position Sensor for Your 2008 Chevrolet Impala. Search through our amazing selection of Throttle Position Sensor products for your 2008 Chevrolet Impala to find exactly what you’re looking for. Compare prices and reviews to choose the best part for you.Code P2138 is an accelerator pedal position (APP) sensor or throttle position (TP) sensor code. In simpler terms, it’s an OBD-II code triggered when one of the two sensors in your gas pedal malfunctions. As our mechanic explains in the video above (1:07), a gas pedal has two APP sensors to essentially serve as fail-safes for each other …In this Video, I am showing how to Open - Take a part your TPS to Clean or Repair or Refurbish your Throttle Position Sensor (TPS).This is apply to: GMC Chev...Code P2138 is an accelerator pedal position (APP) sensor or throttle position (TP) sensor code. In simpler terms, it’s an OBD-II code triggered when one of the two sensors in your gas pedal malfunctions. As our mechanic explains in the video above (1:07), a gas pedal has two APP sensors to essentially serve as fail-safes for each other ….