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2019 Chevrolet Tahoe Throttle Position Sensor

3 items

Fix poor throttle response, rough idle, sudden hesitation, or uneven acceleration with a throttle position sensor built to send accurate throttle angle signals to your engine computer.

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Standard TH42 Throttle Position SensorStandard TH42 Throttle Position Sensor
StandardPart # TH42
Standard TH42 Throttle Position Sensor
51 Reviews
$54.99
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3-year warranty
90 days free return
Fits 2018-2021 Chevrolet Beat, 2016-2017 Chevrolet Spark Classic, 2012-2018 Chevrolet Aveo, 2011-2016 Chevrolet Spark, 2007-2008 Pontiac G3, 2006-2007 Chevrolet Optra, 2005-2008 Suzuki Reno, 2004-2009 Chevrolet Chevy, 2004-2008 Suzuki Forenza, 2004-2005 Chevrolet Aveo, 2004-2005 Chevrolet Meriva, 2004-2005 Chevrolet Tornado, 2004-2005 Pontiac Matiz, 2002-2008 Chevrolet Corsa, 2001-2003 Isuzu Rodeo Sport, 1999-2003 Chevrolet Chevy Pickup, 1999-2002 Daewoo Lanos, 1999-2002 Daewoo Leganza, 1999-2002 Daewoo Nubira, 1998-2005 Chevrolet LUV
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Vehicle: 2019 Chevrolet Tahoe
Item LocatedUnited States
Quantity1
Part interchange
TH42, 213895, 93740914, TPSGM001, 158-0516, 158-1389, 38011, SS10425, 
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item #10016Z8Y
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Standard APS588 Accelerator Pedal Sensor
StandardPart # APS588
Standard APS588 Accelerator Pedal Sensor
51 Reviews
$147.99
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3-year warranty
90 days free return
Fits 2020-2020 Chevrolet Tahoe, 2019-2019 Chevrolet Suburban, 2018-2019 Chevrolet Tahoe, 2018-2019 GMC Yukon, 2016-2019 Cadillac Escalade ESV, 2016-2018 Chevrolet Silverado 1500, 2016-2017 Chevrolet Suburban, 2016-2016 GMC Yukon, 2015-2020 Cadillac Escalade, 2015-2016 Chevrolet Tahoe
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Vehicle: 2019 Chevrolet Tahoe
Item LocatedUnited States
Quantity1
MaterialPolyamide 6
ColorBlack
item #100150P9
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Standard APS265 Accelerator Pedal Sensor
StandardPart # APS265
Standard APS265 Accelerator Pedal Sensor
51 Reviews
$81.99
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3-year warranty
90 days free return
Fits 2020-2020 Chevrolet Suburban, 2020-2020 Chevrolet Tahoe, 2020-2020 GMC Yukon, 2019-2019 Chevrolet Silverado 1500 LD, 2019-2019 GMC Sierra 1500 Limited, 2018-2019 Chevrolet Tahoe, 2018-2019 GMC Sierra 2500 HD, 2018-2019 GMC Yukon, 2017-2020 Cadillac Escalade ESV, 2017-2017 Chevrolet Tahoe, 2017-2017 GMC Yukon, 2016-2019 Cadillac Escalade, 2016-2019 Chevrolet Suburban, 2016-2019 Chevrolet Suburban 3500 HD, 2016-2018 Chevrolet Silverado 1500, 2015-2016 Cadillac Escalade ESV, 2015-2016 Chevrolet Tahoe, 2015-2016 GMC Yukon, 2015-2015 Chevrolet Suburban, 2014-2014 Chevrolet Suburban 1500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2019 Chevrolet Tahoe
Item LocatedUnited States
Quantity1
MaterialPolyamide 6
ColorBlack
item #100153Y7
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What is the throttle position sensor? 

The throttle position sensor (TPS) monitors the position of the throttle plate, which controls the airflow into the engine. By providing real-time feedback on how much the driver is pressing the gas pedal, the TPS helps the engine control unit (ECU) adjust the air-fuel mixture for optimal performance and efficiency.

Symptoms of a bad TPS throttle position sensor

A failing or malfunctioning Throttle Position Sensor (TPS) can manifest various symptoms, which may vary in severity. If you notice these situations, they may indicate a potential issue with the TPS:

  • Poor Acceleration: Sluggish or delayed response when pressing the gas pedal.
  • Rough Idle: An unstable or fluctuating engine idle.
  • Stalling: Unexpected engine shutdown, especially at stops.
  • Hesitation During Acceleration: Delayed acceleration after pressing the gas pedal.
  • Surging or Bucking: Jerking or lurching movements during acceleration or at constant speeds.
  • Inconsistent Idle Speed: Fluctuating engine idle speed.
  • Check Engine Light (CEL): Illumination of the Check Engine Light on the dashboard.
  • Poor Fuel Efficiency: Reduced gas mileage and increased fuel consumption.
  • Transmission Shifting Issues: Irregular or harsh shifting in automatic transmissions.
  • Limp Mode: The vehicle's computer may limit power and speed to protect the engine.

How to fix a throttle position sensor?

Fixing a faulty TPS often involves either cleaning the sensor or replacing it, depending on the severity of the problem.

Cleaning the TPS:

  • Disconnect the battery.
  • Locate and remove the TPS.
  • Clean it with an electronic contact cleaner.
  • Reinstall the TPS, reconnect, and reconnect the battery.

Replacing the TPS:

  • Disconnect the battery.
  • Remove the old TPS.
  • Get a matching replacement TPS.
  • Install the new TPS, reconnect, and reconnect the battery.
  • Calibrate if needed.
  • Test the vehicle for issues. If problems persist, consult a mechanic.

Related Blogs

P0123 Code: Throttle Position Sensor High Input Diagnosis and Fixes

The diagnostic trouble code P0123, which indicates a high input in the throttle or pedal position sensor circuit A. Exploring the potential causes, symptoms, and troubleshooting steps, we aim to provide a comprehensive understanding of this issue.

Aug 14, 2026

P0121 Code: Throttle Position Sensor Range/Performance Problem

Learn what P0121 means, whether you can keep driving, and how to distinguish wiring, throttle body, TPS, and APP sensor faults before choosing the correct repair.

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P0122 Code: Throttle Position Sensor Low Input Explained

The P0122 code indicates a faulty throttle position sensor (TPS) causing poor acceleration and idle issues. This guide details how to diagnose and replace the TPS to resolve the problem.

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