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Part #: TH49

Standard Ignition TH49 Throttle Position Sensor

27 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Pontiac, Buick, and Oldsmobile, Firebird, Century, LeSabre, Cutlass Ciera, Delta 88, Bonneville, Electra, Regal, Riviera, 98, and Toronado
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Reliable Throttle Position Sensor for Buick, Oldsmobile, and Pontiac

The Standard Ignition TH49 Throttle Position Sensor is designed to provide accurate throttle position feedback for select Buick, Oldsmobile, and Pontiac models. This sensor ensures proper engine performance by monitoring the throttle plate angle and sending precise signals to the engine control unit.

  • Connector Gender: Male for secure connection
  • Single connector with three female terminals
  • Compatible with multiple GM models including Buick LeSabre and Pontiac Firebird
  • Part Number TH49 for easy identification and replacement

Technical Details and Compatibility

The TH49 throttle position sensor features a male connector with one connector quantity and three female terminals, ensuring a reliable electrical interface. This sensor is engineered to fit specific GM vehicles such as the Buick Century, Oldsmobile Cutlass Ciera, and Pontiac Bonneville. Its precise design supports accurate throttle position readings, which are critical for fuel management and engine responsiveness.

Applications and Problem Resolution

This throttle position sensor is used to monitor the position of the throttle valve in the throttle body. It helps the engine control module adjust fuel injection and ignition timing. Installing the Standard Ignition TH49 can address issues such as:

  • Erratic or unstable idle speed
  • Poor acceleration response
  • Engine stalling or hesitation
  • Check engine light related to throttle position sensor faults
  • Reduced fuel efficiency due to incorrect throttle data

Installation Notes and Tips

When installing the TH49 throttle position sensor, ensure the connector is properly aligned with the male connector interface. Verify that the three female terminals are securely connected to avoid signal loss. It is recommended to calibrate the sensor after installation if required by the vehicle’s service manual. Always disconnect the battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The TH49 throttle position sensor undergoes rigorous testing to ensure durability and performance. This part comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for your Buick, Oldsmobile, or Pontiac vehicle.

BrandStandard Ignition
Part NumberTH49
Connector GenderMale
Terminal GenderFemale

This part fits 27 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1989PontiacFirebird3.8LV6N/A
1988BuickCentury3.8LV6N/A
1988BuickLeSabre3.8LV6N/A
1988OldsmobileCutlass Ciera3.8LV6N/A
1988OldsmobileDelta 883.8LV6N/A
1988PontiacBonneville3.8LV6N/A
1987BuickCentury3.8LV6N/A
1987BuickLeSabre3.8LV6N/A
1987BuickRegal3.8LV6N/A
1987BuickRiviera3.8LV6N/A
1987Oldsmobile983.8LV6N/A
1987OldsmobileCutlass Ciera3.8LV6N/A
1987OldsmobileDelta 883.8LV6N/A
1987OldsmobileToronado3.8LV6N/A
1987PontiacBonneville3.8LV6N/A
1986BuickCentury3.8LV6N/A
1986BuickLeSabre3.8LV6N/A
1986BuickRegal3.8LV6N/A
1986BuickRiviera3.8LV6N/A
1986Oldsmobile98Regency3.8LV6N/A
1986Oldsmobile98Regency Brougham3.8LV6N/A
1986OldsmobileCutlass Ciera3.8LV6N/A
1986OldsmobileDelta 883.8LV6N/A
1986OldsmobileToronado3.8LV6N/A
1985BuickCentury3.8LV6N/A
1985Oldsmobile983.8LV6N/A
1984BuickCentury3.8LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

14063141-447191873402-19058200-1049250366633-19058380225S505371-754875320EC1098ECC1227SS10430TH49TTPS123

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.