What tools are required to replace the Heated Oxygen Sensor (HO2S) and what are the steps involved in the process on Buick Park Avenue?

The necessary tools for heated Oxygen Sensor (HO2S) replacement include an Oxygen Sensor wrench (J 39194). Oxygen Sensor wrench (J 39194). The ho2s along with the Oxygen Sensor retains their connector-pigtail permanently so do not detach them to prevent sensor dysfunction. The handling of ho2s and o2s must preserve their in-line electrical connector along with louvered end by keeping them clean from contamination and grease using no cleaning fluids. Start the inspection process with engine off while supporting the vehicle at its height. Start removal by taking off both the splash shield and ho2s electrical connector retaining tab that secures the connector. The ho2s electrical connector loses its Oxygen Sensor connector while being unlinked for servicing. Before attempting Oxygen Sensor removal operators need to wait until engine temperature drops below 48°c (120°F) because higher temperatures lead to installation challenges. The Oxygen Sensor wrench (J 39194) should be used to separate the Oxygen Sensor from its position inside the Exhaust Pipe. Reused sensor threads should receive special anti-seize compound treatment before installation by using p/n 5613695 or equivalent if necessary. The exhaust installation of the Oxygen Sensor requires a torque of 41 n.m (30 lb ft) for proper tightening. Position the ho2s connector to the ho2s electrical connector and return the retaining tab to its position on the ho2s electrical connector. Complete installation by adding the front splash shield then lowering the vehicle.

OEM Buick Park Avenue Oxygen Sensor

Oxygen O2 Sensor

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7 Oxygen Sensors found

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Buick Park Avenue Oxygen Sensor Part Number: 19178938
$63.56 MSRP: $129.10
You Save: $65.54 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25165314, 25161152, 25312185
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19209814
$59.22 MSRP: $120.28
You Save: $61.06 (51%)
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Product Specifications
- Other Name: Sensor Assembly, Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12574218
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19209807
$87.79 MSRP: $178.30
You Save: $90.51 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Replaces: 12570149, 12574924, 12572772
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19178958
$65.65 MSRP: $133.34
You Save: $67.69 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor; Manifold
- Replaces: 25178022, 25312203, 25312211, 25164488
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2004 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19178930
$66.41 MSRP: $134.88
You Save: $68.47 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Replaces: 25312184, 25165313, 25171579
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1996 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19178924
$71.63 MSRP: $145.48
You Save: $73.85 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 25161130, 25312207, 12587214, 19178921, 25164983, 25312196
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2004 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS
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Buick Park Avenue Oxygen Sensor Part Number: 19211437
$19.00 MSRP: $33.92
You Save: $14.92 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Sensor, Emission Control Sensor(Vehicle Speed); Sensor, Emission Control Sensor(Oxygen)
- Replaces: 19178952, 25171573, 25166816, 25171574, 25162693, 25106073, 25107378, 25165118, 25171581, 25132068, 25165120, 25162600, 19178953, 19178943, 25133185, 25133076, 19178919, 25162753
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 Buick Park Avenue | Base, Ultra | 6 Cyl 3.8 L GAS

Buick Park Avenue Oxygen Sensor

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Buick Oxygen Sensor is an important part that explains dependability and effectiveness of the Buick Park Avenue series. This sensor carefully tracks the GFC in the engine exhaust, produces important voltage which is needed by the computer that controls the engine concerning with the richness or the leanness of the mixture. Due to providing the accurate changes to the fuel injector pulse width, the Buick Park Avenue Oxygen Sensor improves efficiency and safety, increasing the engine output with suitable levels of emissions. Ordinarily, Buick Park Avenue cars have at least two oxygen sensors, one stationed before and the other after the catalytic converter so that the levels of the exhaust gases can be effectively measured. The one thing that stands out with the Buick Park Avenue Oxygen Sensor is its endurance, which functions efficiently even in high temperatures; however, the performance reduces as it gradually gets contaminated over time. Due to the compatibility feature, this sensor is suitable when it comes to maintaining the Buick Park Avenue of different models since it fits in the car. Some of the features of the Buick Park Avenue Oxygen Sensor include the fact that it embraces newer senses such as the air/fuel ration sensors which give a wider range of grip of the air/fuel mixtures. In total, the Buick Park Avenue Oxygen Sensor can be commended as a necessary innovation in the automotive market, playing a crucial part in improving the cars' efficiency and safety while being environmentally friendly as well, thus maintaining the Buick Park Avenue as a well-known luxury car with proper performance.

Buick Park Avenue Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
19178924
Q: What tools are required to replace the Heated Oxygen Sensor (HO2S) and what are the steps involved in the process on Buick Park Avenue?
A:
The necessary tools for heated Oxygen Sensor (HO2S) replacement include an Oxygen Sensor wrench (J 39194). Oxygen Sensor wrench (J 39194). The ho2s along with the Oxygen Sensor retains their connector-pigtail permanently so do not detach them to prevent sensor dysfunction. The handling of ho2s and o2s must preserve their in-line electrical connector along with louvered end by keeping them clean from contamination and grease using no cleaning fluids. Start the inspection process with engine off while supporting the vehicle at its height. Start removal by taking off both the splash shield and ho2s electrical connector retaining tab that secures the connector. The ho2s electrical connector loses its Oxygen Sensor connector while being unlinked for servicing. Before attempting Oxygen Sensor removal operators need to wait until engine temperature drops below 48°c (120°F) because higher temperatures lead to installation challenges. The Oxygen Sensor wrench (J 39194) should be used to separate the Oxygen Sensor from its position inside the Exhaust Pipe. Reused sensor threads should receive special anti-seize compound treatment before installation by using p/n 5613695 or equivalent if necessary. The exhaust installation of the Oxygen Sensor requires a torque of 41 n.m (30 lb ft) for proper tightening. Position the ho2s connector to the ho2s electrical connector and return the retaining tab to its position on the ho2s electrical connector. Complete installation by adding the front splash shield then lowering the vehicle.