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GM Oxygen Sensors

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Why Oxygen Sensors are Vital for Pontiac Performance

Oxygen sensors are essential to your Pontiac's engine management system. They monitor the quantity of oxygen in your exhaust gases, allowing the engine control unit (ECU) to alter the air-fuel ratio for the best combustion. This modification is critical for preserving optimal engine performance, lowering harmful emissions, and increasing fuel efficiency. Faulty oxygen sensors can cause poor engine performance, increased fuel consumption, and greater emissions; thus, it is critical to keep them in good condition.

Understanding the Function of Oxygen Sensors

Oxygen sensors are commonly situated in the exhaust manifold, measuring oxygen levels in exhaust gases. These sensors transmit data to the ECU, which modifies the fuel injection system accordingly. There are two types of oxygen sensors: pre-catalytic and post-catalytic. Upstream sensors govern the air-fuel mixture, while downstream sensors check the catalytic converter's performance.

Choosing the Proper Oxygen Sensors for Your Pontiac

When choosing oxygen sensors for your Pontiac, ensure they are high-quality and suitable. OEM sensors are frequently the best option because they are custom-made for your vehicle. Aftermarket sensors are possible, but careful selection is required to assure compatibility and performance. Consider sensor kind, cable length, and connection design while making your decision.

Maintaining and Replacing Oxygen Sensors

Regular maintenance and replacement of oxygen sensors are critical for peak performance. Check your Pontiac's oxygen sensors every 60,000 to 90,000 miles. A decline in fuel economy, rough idling, and an illuminated check engine light indicate that your oxygen sensors may require repair. Replacing malfunctioning sensors can improve your Pontiac's performance and avoid more engine damage.

Ask us here to find the right parts and accessories for your needs.

Heated Oxygen Sensor

Part Number: 19353136
GM GM
Other Names: Oxygen Sensor
Replaces: 12568223, 12578574, 12588274
Description: Cavalier, Sunfire. 2.2l. Rear, 2.2L. 2.2L, pre converter. Detects oxygen content in the exhaust gases to help optimize emissions This GM...
Fits:
  • Chevrolet:
    • Cavalier
  • Pontiac:
    • Sunfire
MSRP $165.01
$97.35

Heated Oxygen Sensor

Part Number: 19355311
GM GM
Other Names: Sensor, afs137
Replaces: 19178923, 25315815
Description: All models. 6.0l. Left. 6.0L, rear of converter. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is...
Fits:
  • Cadillac:
    • Escalade,
    • Escalade EXT
  • Chevrolet:
    • Avalanche 2500,
    • Silverado 1500 HD,
    • Silverado 2500,
    • Silverado 2500 HD,
    • Silverado 3500,
    • Suburban 2500
  • GMC:
    • Sierra 1500,
    • Sierra 1500 HD,
    • Sierra 2500,
    • Sierra 2500 HD,
    • Sierra 3500,
    • Yukon,
    • Yukon XL 1500,
    • Yukon XL 2500
MSRP $164.32
$96.95

Heated Oxygen Sensor

Part Number: 12622308
GM GM
Other Names: Oxygen Sensor, 1153
Description: Silverado, sierra. 6.0l. Front. This part requires programming and/or special setup procedures GM Service Information describes the...
Fits:
  • Chevrolet:
    • Silverado 2500 HD,
    • Silverado 3500 HD
  • GMC:
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $165.04
$97.37

Heated Oxygen Sensor

Part Number: 12634062
GM GM
Other Names: Oxygen Sensor
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
  • Cadillac:
    • ATS,
    • CTS
  • Chevrolet:
    • Camaro
MSRP $157.26
$92.78

Heated Oxygen Sensor

Part Number: 12637298
GM GM
Other Names: Oxygen Sensor, 1193
Description: Verano. 2.4l. Downstream. Verano. 2.0l. This part requires programming and/or special setup procedures GM Service Information describes...
Fits:
  • Buick:
    • Verano
MSRP $171.62
$101.26

Heated Oxygen Sensor

Part Number: 12648137
GM GM
Other Names: Oxygen Sensor
Description: CT6. 3.0l. Front. Canister & sensors, 3.0L. CT5. 3.0l. Upper. This part requires programming and/or special setup procedures GM Service...
Fits:
  • Cadillac:
    • CT5,
    • CT6
MSRP $92.28
$54.45

Heated Oxygen Sensor

Part Number: 12658647
GM GM
Other Names: Oxygen Sensor
Description: Verano. 2.4l. Downstream. This part requires programming and/or special setup procedures GM Service Information describes the procedures...
Fits:
  • Buick:
    • Verano
MSRP $107.66
$63.52

Heated Oxygen Sensor

Part Number: 12666612
GM GM
Other Names: Oxygen Sensor
Description: Express, savana. Gas. Front. This part requires programming and/or special setup procedures GM Service Information describes the...
Fits:
  • Chevrolet:
    • Express 2500,
    • Express 3500,
    • Express 4500,
    • Silverado 2500 HD
  • GMC:
    • Savana 2500,
    • Savana 3500,
    • Savana 4500,
    • Sierra 2500 HD,
    • Sierra 3500 HD
MSRP $92.87
$54.80

Heated Oxygen Sensor

Part Number: 12666671
GM GM
Other Names: Oxygen Sensor
Replaces: 12646902
Description: Rear. Canister & sensors, 3.0l twin-turbo. CT6. 3.0l. Without vsport. Lower. Canister & sensors, 3.6L. Camaro. 3.6l. ATS. 3.6l. Without...
Fits:
  • Cadillac:
    • ATS,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro
MSRP $76.30
$45.02

Heated Oxygen Sensor

Part Number: 12669867
GM GM
Other Names: Oxygen Sensor
Description: 2.0L turbo. Regal Sportback. 2.0l. Upstream. Regal TourX. Malibu. 2.0l. This part requires programming and/or special setup procedures...
Fits:
  • Buick:
    • Regal Sportback,
    • Regal TourX
  • Chevrolet:
    • Malibu
MSRP $94.34
$55.66

Heated Oxygen Sensor

Part Number: 12669969
GM GM
Other Names: Oxygen Sensor
Description: LaCrosse. 3.6l. Volt. Upper. Regal Sportback. 3.6l. Downstream. This part requires programming and/or special setup procedures GM...
Fits:
  • Buick:
    • LaCrosse,
    • Regal Sportback
  • Chevrolet:
    • Volt
MSRP $72.70
$42.89

Heated Oxygen Sensor

Part Number: 12671087
GM GM
Other Names: Oxygen Sensor
Description: This part requires programming and/or special setup procedures GM Service Information describes the procedures and special tools needed...
Fits:
  • Cadillac:
    • ATS,
    • CT4,
    • CT5,
    • CT6,
    • CTS
  • Chevrolet:
    • Camaro
MSRP $72.94
$43.03

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