A Guide to the Throttle Position Sensor for the 1998-2002 Oldsmobile Intrigue
Solve your Intrigue's hesitation, stalling, and erratic shifting by understanding and choosing the right throttle position sensor.
- Erratic transmission shifting is a primary symptom of TPS failure on the 1998-2002 Intrigue.
- For long-term reliability, choose an OEM-grade brand like ACDelco or Delphi.
- The 3.8L (98-99) and 3.5L (99-02) engines use different TPS parts; verify fitment for your engine.
- This is a simple, low-cost DIY replacement that most owners can perform in under 30 minutes.
Signs of a Failing Throttle Position Sensor
A failing TPS on your Intrigue will cause noticeable problems. Because this sensor provides key information to both the engine and transmission, symptoms can show up in a few ways. You will almost always get a "Check Engine" light on your dashboard.
- Erratic Shifting: Your automatic transmission may shift harshly, shift at the wrong times, or seem to hunt for the right gear. This is a very common symptom for the Intrigue.
- Hesitation and Stalling: The car may hesitate or stumble when you press the gas pedal. In some cases, the engine may stall when you come to a stop or even while driving.
- Poor or Rough Idle: Your engine might idle too high, too low, or roughly.
- Lack of Power: The car may feel sluggish and won't accelerate as it should.
Choosing the Right Aftermarket Part
When buying a new TPS for your Intrigue, you'll find several brands. They generally fall into three quality tiers. For a critical sensor like this, choosing a quality part can save you from doing the job twice.
Tier 1: OEM-Equivalent Brands
These brands are known to be the original equipment manufacturer (OEM) for General Motors or are considered equal in quality and reliability. For the best results and longest life, choosing a part from this tier is highly recommended.
- ACDelco: As GM's official parts brand, this is the closest you can get to the original factory part. While sometimes more expensive, it ensures correct fit and performance.
- Delphi: Delphi was a part of GM and the original manufacturer for many electronic parts of this era. A Delphi sensor is often identical to an ACDelco part and is considered a top-tier choice for your Intrigue.
Tier 2: Reputable Aftermarket Brands
These companies have a long history of making quality aftermarket parts that meet or exceed OEM standards. They are a solid choice if you are looking for a balance of quality and price.
- Standard Ignition (SMP): A well-respected brand that produces reliable engine management parts.
- NGK/NTK: Primarily known for spark plugs, their sensor division (NTK) is known for high-quality electronics.
- Walker Products: An established manufacturer with a good reputation for engine sensors.
Tier 3: Economy Brands
These brands offer the lowest prices and are widely available. While they fit and function, their long-term reliability can be inconsistent. They can be an option for a tight budget, but be aware that they may not last as long as higher-tier parts.
- Dorman: A popular budget-friendly brand. Some users report mixed results on the lifespan of their sensors compared to OEM.
- Global Parts, True Tech, Replacement: These and other store brands fall into the value category. They will work but may have a higher risk of failing sooner.
Engine-Specific Parts
The 1998-1999 Intrigue used a 3.8L V6, while the 1999-2002 models used a 3.5L V6. These engines use different throttle position sensors. Always confirm the part fits your specific engine before purchasing.
Cost Comparison for an Intrigue TPS Replacement
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket Part | $25 - $98 |
| New OEM Part (ACDelco/GM Genuine) | $70 - $150 |
| Shop Labor | $75 - $150 |
| Total Professional Replacement | $160 - $300 |
Frequently Asked Questions
Is this a difficult part to replace myself?
No, this is a very easy DIY job for most people. The sensor is located on the side of the throttle body, held on by two screws, and has one electrical plug. Basic hand tools are all that is required, and the job can be done in less than 30 minutes.
Do I need to calibrate or reset the new sensor?
For the 1998-2002 Intrigue, a special calibration tool is not needed. The engine computer will "relearn" the new sensor's readings on its own. After installation, you can cycle the key from off to on (without starting the engine) a few times to help the process, but it's usually not required.
Can I just clean my old throttle position sensor?
No. The TPS is a sealed electronic sensor. The part that fails is internal, where a wiper moves across a contact strip. Cleaning the outside will not fix a failed sensor. While you are replacing the sensor, it is a good idea to clean any carbon buildup from the throttle body itself.
Were there any recalls for the Intrigue's TPS?
No, there have been no recalls or specific Technical Service Bulletins (TSBs) issued by GM for the throttle position sensor on the 1998-2002 Oldsmobile Intrigue.
Technical Specifications
OEM Part Numbers: 24504798 17106809 TH149
3-pin rectangular connector. Mounts to the side of the throttle body with two screws. Part number varies between the 3.8L and 3.5L V6 engines.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Oldsmobile Intrigue: