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. Your car may choke during acceleration or have a ...2008 Impala SS Traction Control Issue? - I have a 2008 Chevy Impala SS that I have had at the stealership 3 times in the last month. The issue started as a... Skip to content. Buy. Used Cars; New Cars ... So is it 1) Throttle Position Sensor 2) Accelerator Position Sensor 3) Throttle Actuator Control 4) Wheel Speed Sensor 5) ...What Is a Throttle Position Sensor? This vital sensor allows your engine to maintain a proper amount of air. This feature is dependent on the throttle valve. When you press down on the gas pedal, your throttle body unit’s valve opens. This causes your throttle position sensor to adjust the engine intake manifold accordingly.Aug 11, 2016 · A piece of dirt on one of the 2 wipers either on the throttle position sensor or the gas pedal position sensor. Every minute spent angry is a happy minute lost for ever and ever!!! :bigsmile: :smilie_flagge17 rives 2016 Cocoa Buick Encore 1.4L Turbo auto KL4CJDSB2GB652675:smilie_flagge17: :smilie_flagge17 rives 2016 Sunset Orange Trax LT1 1.4L ... 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.2008 Impala SS Traction Control Issue? - I have a 2008 Chevy Impala SS that I have had at the stealership 3 times in the last month. The issue started as a... Skip to content. Buy. Used Cars; New Cars ... So is it 1) Throttle Position Sensor 2) Accelerator Position Sensor 3) Throttle Actuator Control 4) Wheel Speed Sensor 5) ...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 Mass Air Flow Sensor; 2008 Chevrolet Impala Crankshaft Position Sensor; 2008 Chevrolet Impala Coolant Temperature Sensor; 2008 Chevrolet Impala …When this code is stored, the PCM will usually enter limp in mode. Engine acceleration will be severely limited (if not disabled) in this mode. Symptoms of a P0223 code may include: Stuck throttle (at any RPM) Limited or no acceleration. Engine stall when allowed to idle.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 to2008 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 FitStep 2: Locate the transmission position sensor. Grab a creeper, flashlight, and tools for the job. Go under the vehicle and locate the transmission position sensor (switch). Step 3: Remove the harness from the sensor. If you have a mechanical shifter, you will need to remove the linkage from the transmission.paker · #14 · Jul 28, 2017. Earlier this month I had P2127 on my 2008 LS that put the car in reduced power. Since it was immediately after a heavy rain, I disconnected the pedal position sensor connector, applied electrical grease, and reconnected. Cleared the code and started driving.This is a video walking through replacing an electronic throttle body on most gm cars and light trucks.Order Chevrolet Impala Throttle Position Sensor (TPS) online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. The Throttle position sensor is a potentiometer that measures the amount of throttle opening. ... 06 Chevy Impala P0011, P0121, P0449, P0455, P1516, P2101, ... 2008 GMC Envoy codes P0121 and P2135 I have an accelerator hesitation on this vehicle and I am getting the PO121 code.Jun 21, 2015 · The pedal simply provides an electronic signal, telling the throttle body how much acceleration you’re requesting. 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. Engine Performance problem 2006 Chevy Impala 6 cyl Automatic 76000 miles Im not really too familiar wit cars and how to fix them but my check engine light came on I got the code it was my throttle position sensor so pep boys told me dey couldnt take sensor off without replacing whole throttle body so they replace the whole throttle body for $500 I just got …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 …Jun 20, 2014 · Failure Date: 03/01/2013. The contact owns a 2008 Chevrolet Impala. The contact stated that while driving at approximately 50 mph, the engine power reduced warning light illuminated and the vehicle failed to accelerate when the accelerator pedal was depressed. 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 …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.Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/221/a/accelerator-pedal-position-sensor1A Auto shows you how to remove, install, fix, change or replac...Throttle Body. Intentionally blank ... Related Parts. CHEVROLET > 2008 > IMPALA > 3.5L V6 > Interior > Accelerator Pedal Position Sensor. Price: Alternate: No parts for vehicles in selected markets. DORMAN 699104 Info . w/Sensor. DORMAN 699104. $48.79: $0.00 + Sold in packs of 1 x 1: $48.79: Alternate: Quantity: Add to Cart. WVE 5S7944 InfoP2138 Meaning. You press the gas pedal. The accelerator position sensor sends a signal to your Impala’s PCM. The throttle position sensors confirm how much the throttle is opened. The PCM adjusts the throttle position based on this feedback. The “D” and “E” TPS signals need to AGREE with one another AND the accelerator position …CHEVROLET > 2008 > IMPALA > 3.5L V6 > Fuel & Air > Throttle Position Sensor (TPS) Price: Alternate: No parts for vehicles in selected markets. Daily Driver . STANDARD MOTOR PRODUCTS . STANDARD MOTOR PRODUCTS . $77.89: $0.00 + Sold in packs of 1 x 1: $77.89: Alternate:That the Accelerator Pedal Assembly is made up of 3 individual position sensors. Each one has separate signal, Ground, and 5.0 volt reference circuits. That APP Sensor 1's signal increases as the accelerator pedal is depressed, from below 1.1 volt at 0% pedal travel (pedal at rest) to above 2.1 Volts at 100% pedal travel (pedal fully depressed).CASE 1: The multimeter registered 4.5 to 5 Volts. This test result confirms that the fuel injection computer and the circuit is supplying the TPS with power. The next step is to test the Ground circuit of the throttle position sensor, go to: TEST 3: Ground Circuit Test. CASE 2: The multimeter DID NOT register 4.5 to 5 Volts.Sep 20, 2023 · To reset the throttle position sensor in a Chevy, disconnect the negative battery and then disconnect the throttle position sensor. Clean any debris that may be on the sensor or in the connector. Reattach the sensor and the battery, and your Chevy should be good to go. When you notice your Chevy isn’t performing as it should, or if the check ... When a Chevy Impala returns a P2138 trouble code, it means there is something happening that is stopping the throttle from opening and closing as it should. There are essentially two sensors in one assembly that create the accelerator pedal position sensor. Each of these sensors receives a low reference circuit and A5-volt …If GM TPS sensors have any inherent flaws, it is a tendency to slip out of adjustment. Though this can happen to any car, many GM owners have reported such a failure. The TPS must be adjusted (rotated) so that it reads idle and full-throttle positions properly, or it may appear to be malfunctioning. Try adjusting the TPS before replacement to ...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.throttle position (TP) sensor cover is facing upward as shown. 2697177 8. Secure a rubber band around the throttle body and TP sensor cover as shown. 2697335 9. ... • For 2008-2009 vehicles repaired under the 5year/ 100,000mile(160,000km) Powertrain Coverage (Code P) warranty, use:P0223 code definition. Throttle/Pedal Position Sensor/Switch B Circuit High Input. What the P0222 code means. The P0222 code is an indication that the Engine Control Module (ECM) has detected voltage from the throttle position sensor to have exceeded the acceptable range of voltage set by the manufacturer.DTC P2135 stands for “Throttle/Pedal Position Sensor/ Switch A/B Voltage Correlation.” This code triggers when the PCM detects a problem with your vehicle’s throttle or pedal position sensors/switches. Common symptoms include your vehicle entering Reduced Power Mode, decreased engine performance, and a lit check engine light.The P0122 code may be accompanied by other TPS codes, so following the manufacturer's pinpoint tests for each code received may be needed to fix the complaint. Most failures for code P0122 involve a defective TPS sensor, or a loose connector. All TPS codes will cause the ECM to go into failure mode; drive symptoms will be the roughly the same.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. Your car may choke during acceleration or have a ...Order Chevrolet Impala Throttle Position Sensor (TPS) online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store. 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 …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 2009 Chevy Impala that does the exact same thing. ... you will find that this is not an uncommon problem with Impalas and more often than not the throttle position sensor is at fault. ... Just started getting "Reduced Engine Power" and loss of Traction Control plus the check engine light going on with 2008 Impala at 122K.CHEVROLET > 2008 > IMPALA > 3.5L V6 > Fuel & Air > Throttle Position Sensor (TPS)GM Genuine Parts 25832864 Accelerator Pedal with Position Sensor. $101.06 $ 101. 06. Get it as soon as Wednesday, May 17. Only 19 left in stock ... GM Genuine Parts 12678223 Fuel Injection Throttle Body Assembly with Sensor. Add to Cart . Add to Cart . Add to Cart . Add to Cart . Add to Cart . Add to Cart . ... 2011 CHEVY …P2135 is a diagnostic trouble code (DTC) for "Throttle/Pedal Position Sensor/Switch A / B 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 ...Connector 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.Throttle Position Sensor (TPS) Replacement pricing for various cars. Cars. Estimate. Parts Cost. Labor Cost. Savings. Average Dealer Price. 2009 Pontiac G8. $318.Throttle Position Sensor gone bad? Jump to Latest Follow 35169 Views 8 Replies 4 Participants Last post by Laurieb, Feb 21, 2014. N. ... 2001 Chevy Impala 3.4 - Traded 2004 Chevy Impala 3.4 - Traded 2002 Chevy Impala 3.4 - RIP 1.12.2011/ Ice Storm 1996 Chevy Impala SS ...Pictures and diagram of engine sensor locations on the 3.8l V6 3800 engine in Chevy, Buick, Pontiac and Oldsmobile cars ... the camshaft position sensor is located behind the water ... , there could be an Idle Air Control Valve, that is just past the MAF sensor and on the throttle body. I have a Pontiac and it had a check engine light on that ...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.Aug 11, 2016 · A piece of dirt on one of the 2 wipers either on the throttle position sensor or the gas pedal position sensor. Every minute spent angry is a happy minute lost for ever and ever!!! :bigsmile: :smilie_flagge17 rives 2016 Cocoa Buick Encore 1.4L Turbo auto KL4CJDSB2GB652675:smilie_flagge17: :smilie_flagge17 rives 2016 Sunset Orange Trax LT1 1.4L ... 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 monitor the throttle position from direct proximity. From there, it will measure how much air makes it into the engine through the intake manifold. If the sensor is faulty, it will need to be replaced. You can expect to pay between ...Circuit Descriptions Of The GM Electronic Throttle Body. There are three major components of the GM Electronic Throttle Body and they are: Throttle body. Throttle Actuator Control (TAC) module. And Accelerator Pedal Assembly. In this section, we'll focus on the Electronic Throttle Body. As you have probably already observed, there are 8 …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.Code p1682 2008 chevy impala. Delayed crank no start and cluster says reduced engine power, ... Vacuum leak at engine po121 code po121 means Throttle Position Sensor/Switch A Circuit Range/Performance Problem . it is usually indicative of a faulty throttle position sensor or faulty wiring harness in the engine bay.٢٨/١١/٢٠١٧ ... Q: 2008 Chevy Impala 3.5 reduce engine power I have changed out the oil pressure sensor throttle body and the camshaft position sensor My ...Includes : Throttle Position Sensor Interchange Part Number : 12568580, 25312095, 8-12568-580-0, 8-12568-580-0 Recommended Use : ... 2008 Chevrolet Impala. 2007 Chevrolet Impala. 2006 Chevrolet Impala. Related Parts. Chevrolet Impala Breather Hose. Chevrolet Impala Intake Plenum Gasket.CASE 1: The multimeter registered 4.5 to 5 Volts. This test result confirms that the fuel injection computer and the circuit is supplying the TPS with power. The next step is to test the Ground circuit of the throttle position sensor, go to: TEST 3: Ground Circuit Test. CASE 2: The multimeter DID NOT register 4.5 to 5 Volts.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 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 …Part # TPS140 SKU # 103892 Limited-Lifetime Warranty Check if this fits your Chevrolet ImpalaMost likely you have a bad connection to the throttle body if you have already replaced both. I have listed the steps to properly test and verify. Clean the throttle bore. Key On …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 monitor the throttle position from direct proximity. From there, it will measure how much air makes it into the engine through the intake manifold. If the sensor is faulty, it will need to …Most of the time, reduced engine power doesn't make commuting home possible since the max speed your Chevy Impala will reach is not going to be enough to keep you. Skip to content. Menu. Home; GM Automatic Transmissions. 200-4R Identification and Specs; ... The throttle position sensor is one of the most vital sensors in your Impala.See full list on autozone.com 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 Fit18. 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. Nov 19, 2009 · B. 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 ... 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. Chevrolet Suburban 1500 Throttle Position Sensor (TPS) Chevrolet Silverado 2500 HD Throttle Position Sensor (TPS) Show Less. Advice and How tos. How Fuel Injectors Work; What Causes Throttle Position Sensor Failure? Like all other parts that make up a car, a Throttle Position Sensor can become faulty with age and often require a complete replacement. If the TPS has been exposed to excess substances, or the car has probably not been serviced, you will likely encounter a faulty TPS sooner rather than later ... OBD2 Sensors. >> GM 4.8L / 5.3L / 6.0L V8 Engine Sensor Locations. View with cosmetic engine cover removed. 2013 GMC Sierra 5.3L V8. Camshaft position sensors (CMP) (located at the front of the engine above the crankshaft pulley) Oil pressure sensor (located at the top rear of the engine to the rear of the intake manifold) Knock sensor (KS ... What Is a Throttle Position Sensor? This vital sensor allows your engine to maintain a proper amount of air. This feature is dependent on the throttle valve. When you press down on the gas pedal, your throttle body unit’s valve opens. This causes your throttle position sensor to adjust the engine intake manifold accordingly.D.i.yWe 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 …18. 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. The parts will cost you between $50 and $100 on average. The labor costs will be anywhere between $150 and $300, depending on the hourly rate of the mechanics and the amount of work it takes to access the throttle position sensor. In total, you can expect to pay between $250 and $400 for a throttle position sensor replacement.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 ... Chevrolet Suburban 1500 Throttle Position Sensor (TPS) Chevrolet Silverado 2500 HD Throttle Position Sensor (TPS) Show Less. Advice and How tos. How Fuel Injectors Work; Failure Date: 03/01/2013. The contact owns a 2008 Chevrolet Impala. The contact stated that while driving at approximately 50 mph, the engine power reduced warning light illuminated and the vehicle failed to accelerate when the …Part # TPS140 SKU # 103892 Limited-Lifetime Warranty Check if this fits your Chevrolet ImpalaThrottle Body . Intentionally blank ... CHEVROLET > 2008 > IMPALA > 3.5L V6 > Interior > Accelerator Pedal Position Sensor. Price: Alternate: No parts for vehicles in ... Chevy Impala 2008, Throttle Position Sensor by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. ... Chevy Impala 5.3L 2008, Throttle Body Gasket by Apex Auto®. Bring your vehicle’s fuel …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 …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...What Causes Throttle Position Sensor Failure? Like all other parts that make up a car, a Throttle Position Sensor can become faulty with age and often require a complete replacement. If the TPS has been exposed to excess substances, or the car has probably not been serviced, you will likely encounter a faulty TPS sooner rather than later ... GM Genuine Parts 25832864 Accelerator Pedal with Position Sensor. $101.06 $ 101. 06. Get it as soon as Wednesday, May 17. Only 19 left in stock ... GM Genuine Parts 12678223 Fuel Injection Throttle Body Assembly with Sensor. Add to Cart . Add to Cart . Add to Cart . Add to Cart . Add to Cart . Add to Cart . ... 2011 CHEVY …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 ... MEMBER. 2008 CHEVROLET IMPALA. 3.9L. 6 CYL. AUTOMATIC. 101 MILES. Hello im getting a code p2127 on my impala the code reads"TPS/PEDAL POSITION SENSOR/ SWITCH E CIRCUIT LOW INPUT" would be the sensor on the pedal or is it my tps sensor. Any help would great thanx. SPONSORED LINKS.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.Connector Gender: Female. Connector Shape: Oval. 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.Poipet is a well-known town on the Cambodian and Thailand border and is a key crossing point be, NOTE: You can find an explanation of how the electronic throttle body works here: Ele, In this Video, I am showing how to Open - Take a part your TPS to Clean or Re, Aug 7, 2016 · The sensor detects the opening and closing of the throt, This article focuses on two types of automotive control units: the Acceler, I have a 2008 Chevy Impala SS with a 5.3L V8. I am trying to find t, I have a 2009 Chevy Impala that does the exact same thing. ... you will find that this i, The Throttle position sensor is a potentiometer that measures, The throttle position sensor (or TPS) monitors the throttle body, ACDelco GM Original Equipment 213-919 Throttle Positi, Popular Searches: Equip cars, trucks & SUVs with 200, ١١/١١/٢٠١٩ ... P0121- Throttle position sensor “A” c, 8. Slowly close the throttle plate. 9. The voltage should , Order Chevrolet Impala Throttle Position Sensor (TPS) , The best part is, our Chevrolet Impala Throttle Position Sensor produ, For this part of the test you’ll need to plug your Impa, Nov 19, 2009 · B. Bart77 · #8 · Nov 19, 2013. A P0121 , The APP sensor is an important part of the electronic th.