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Buick Regal Throttle Position Sensor

46 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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Throttle Position Sensor - Delphi SS10459Throttle Position Sensor - Delphi SS10459
DelphiPart # SS10459
Throttle Position Sensor - Delphi SS10459
4.539 Reviews
$51.99
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3-year warranty
90 days free return
Fits 1996-1999 Acura SLX, 1989-1989 Buick Century, 1989-1991 Buick Skylark, 1989-1993 Buick Regal, 1993-1994 Buick Skylark, 1994-1996 Buick Roadmaster, 1994-1996 Cadillac Fleetwood, 1989-1989 Chevrolet Beretta, 1989-1989 Chevrolet Cavalier, 1989-1989 Chevrolet Celebrity, 1989-1989 Chevrolet Corsica, 1990-1990 Chevrolet Celebrity, 1990-1991 Chevrolet Corsica, 1990-1992 Chevrolet Camaro, 1990-1993 Chevrolet Beretta, 1990-1994 Chevrolet Beretta, 1990-1994 Chevrolet Cavalier, 1990-1994 Chevrolet Lumina, 1992-1992 Chevrolet Corsica, 1992-1994 Chevrolet S10 Blazer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
Part interchange
SS10459, 5S5008, TPS121, 213894, 200-1077, 8-17106-680-0, 17087655, 17106680, 
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item #1001WXLW
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Throttle Position Sensor - Delphi SS10313
DelphiPart # SS10313
Throttle Position Sensor - Delphi SS10313
4.539 Reviews
$83.99
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3-year warranty
90 days free return
Fits 1993-1993 Buick Century, 1993-1993 Buick Riviera, 1993-1993 Buick Skylark, 1993-1995 Buick LeSabre, 1993-1995 Buick Park Avenue, 1993-1995 Buick Regal, 1994-1996 Buick Century, 1995-1995 Buick Riviera, 1993-1995 Chevrolet Lumina APV, 1993-1993 Oldsmobile Achieva, 1993-1993 Oldsmobile Cutlass Ciera, 1993-1994 Oldsmobile Cutlass Cruiser, 1993-1994 Oldsmobile Silhouette, 1993-1995 Oldsmobile 88, 1993-1995 Oldsmobile 98, 1994-1996 Oldsmobile Cutlass Ciera, 1995-1995 Oldsmobile Silhouette, 1993-1993 Pontiac Grand Am, 1993-1995 Pontiac Bonneville, 1993-1995 Pontiac Trans Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
Part interchange
SS10313, 5S5050, 3520, TPS135, 213915, EC3046, EC3046P, 200-1048, 
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item #1001WWTU
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Standard TH36 Throttle Position Sensor
StandardPart # TH36
Standard TH36 Throttle Position Sensor
51 Reviews
$59.99
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3-year warranty
90 days free return
Fits 1985-1985 Buick Somerset Regal, 1986-1986 Buick LeSabre, 1986-1987 Buick Somerset, 1986-1988 Buick Skylark, 1985-1987 Oldsmobile Calais, 1986-1986 Oldsmobile Delta 88, 1988-1988 Oldsmobile Cutlass Calais, 1985-1987 Pontiac Grand Am
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
Part interchange
TH36, TPSGM005, 38012, SS10456, 2-1960, 141-433, 14057, 75297, 
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item #100170D4
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Walker Products 200-91377 Throttle Position Sensor
Walker ProductsPart # 200-91377
Walker Products 200-91377 Throttle Position Sensor
51 Reviews
$66.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1985 Buick Somerset Regal, 1985-1986 Buick Century, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skylark, 1986-1986 Buick Skyhawk, 1986-1986 Buick Skyhawk, 1986-1986 Buick Somerset, 1985-1985 Chevrolet Citation II, 1985-1986 Chevrolet Astro, 1985-1986 Chevrolet Camaro, 1985-1986 Chevrolet Celebrity, 1985-1986 Chevrolet S10, 1985-1986 Chevrolet S10 Blazer, 1985-1986 GMC S15, 1985-1986 GMC S15 Jimmy, 1985-1986 GMC Safari, 1985-1986 Oldsmobile Calais, 1985-1986 Oldsmobile Cutlass Ciera
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
MaterialPlastic
Part interchange
200-91377, 2-1986, 9971, TPS101, TH0031, TH5, TH5T, EC1001, 
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item #1001PZ8E
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Walker Products 200-1049 Throttle Position Sensor
Walker ProductsPart # 200-1049
Walker Products 200-1049 Throttle Position Sensor
51 Reviews
$44.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1985 Buick Electra, 1985-1987 Buick Electra, 1985-1988 Buick Century, 1986-1986 Buick Regal, 1986-1987 Buick Regal, 1986-1987 Buick Riviera, 1986-1988 Buick LeSabre, 1987-1987 Buick Regal, 1987-1987 Buick Regal, 1985-1985 Cadillac DeVille, 1985-1985 Cadillac Fleetwood, 1985-1985 Oldsmobile 98, 1985-1988 Oldsmobile Cutlass Ciera, 1986-1986 Oldsmobile Delta 88, 1986-1987 Oldsmobile 98, 1987-1988 Oldsmobile Cutlass Cruiser, 1987-1988 Oldsmobile Delta 88, 1987-1988 Pontiac Bonneville, 1989-1989 Pontiac Firebird
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
MaterialPlastic
Part interchange
200-1049, 99059, 1TP1093, TH0049, SS10430, 25036663, 141-447, 14063, 
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item #1001PR7R
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Walker Products 200-1377 Throttle Position Sensor
Walker ProductsPart # 200-1377
Walker Products 200-1377 Throttle Position Sensor
51 Reviews
$59.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1985 Buick Somerset Regal, 1985-1986 Buick Century, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skyhawk, 1985-1986 Buick Skylark, 1986-1986 Buick Skyhawk, 1986-1986 Buick Skyhawk, 1986-1986 Buick Somerset, 1985-1985 Chevrolet Citation II, 1985-1986 Chevrolet Astro, 1985-1986 Chevrolet Camaro, 1985-1986 Chevrolet Celebrity, 1985-1986 Chevrolet S10, 1985-1986 Chevrolet S10 Blazer, 1985-1986 GMC S15, 1985-1986 GMC S15 Jimmy, 1985-1986 GMC Safari, 1985-1986 Oldsmobile Calais, 1985-1986 Oldsmobile Cutlass Ciera
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Quantity1
MaterialPlastic
Part interchange
200-1377, 2-1986, 9971, 1TP1305, TH0031, 17078274, 17081077, 17110581, 
...View more
item #1001PYWS
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Page 3 of 3

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

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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.

Aug 05, 2026

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.

Jul 21, 2026