Engine Intake Manifold Temperature Sensor for the 2006-2010 Buick Regal
Key information for North American owners regarding the Intake Manifold Temperature Sensor for this specific model.
- Confirm your vehicle is not a 2006-2010 Buick Regal if you are in North America, as this model was not sold during this period.
- A faulty Intake Air Temperature sensor commonly causes a Check Engine Light, poor fuel economy, and hard starting.
- General replacement costs for an IAT sensor are low, but costs increase if it is part of the Mass Airflow (MAF) sensor assembly.
- Always verify your vehicle's actual model and year before ordering any parts to ensure compatibility.
Important Vehicle Information
The Buick Regal was not sold in the North American market between the 2005 and 2010 model years. The fourth generation ended in 2004, and the model line was reintroduced to North America in 2011. This guide provides general information about the Engine Intake Manifold Temperature Sensor, as no vehicle-specific parts or issues exist for a 2006-2010 North American Buick Regal.
Understanding Sensor Failure
The Intake Air Temperature (IAT) sensor is a thermistor, which is a resistor that changes its electrical resistance based on temperature. As air gets warmer, the sensor's resistance drops, and as it gets colder, resistance increases. The engine's computer reads these changes in voltage to determine the air temperature. Failure can be caused by internal short circuits, damaged wiring, mechanical damage, or contamination of the sensor tip over time.
Choosing a Replacement Part
Since no specific part is available for the 2006-2010 Buick Regal in North America, it is crucial to verify your vehicle's actual model and year. The predecessor was the Buick Regal (up to 2004) and the successor was the Buick LaCrosse, before the Regal name returned in 2011. For those vehicles, aftermarket options are plentiful. Brands like Delphi, Standard Motor Products, and AC Delco (GM's original parts brand) are common choices. When buying an aftermarket sensor, ensure it is a direct fit for your specific vehicle by checking the part number and compatibility.
General Cost of IAT Sensor Replacement
| Part/Service | Estimated Cost |
|---|---|
| New Aftermarket Sensor | $20 - $100 |
| Shop Labor | $48 - $70 |
| Total Estimated Cost | $68 - $170 |
Frequently Asked Questions
What does the Intake Manifold Temperature Sensor do?
It measures the temperature of the air going into your engine. The engine's computer uses this data to adjust the air-fuel mixture and ignition timing for optimal performance and fuel economy.
Can I replace this sensor myself?
In many vehicles, the IAT sensor is easily accessible on the intake manifold or air intake tube and is simple to replace with basic tools. However, sometimes it is integrated into the Mass Airflow (MAF) sensor, which is more expensive and complex to replace. For a vehicle that does not exist in the specified market, DIY feasibility is not applicable.
Why can't I find parts for my 2007 Buick Regal?
The Buick Regal was not produced for the North American market between 2005 and 2010. You may have a different model, such as a Buick LaCrosse, or a different model year. Double-check your vehicle's VIN and registration information.
What happens if I don't replace a bad IAT sensor?
While you can often still drive, a bad sensor can lead to poor fuel economy, failed emissions tests, hard starting (especially in cold weather), and reduced engine power. In some cases, it can lead to spark plug fouling or engine misfires if ignored.
Technical Specifications
Not applicable for the 2006-2010 Buick Regal in the North American market.
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.
- Buick Regal: