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OEM GM Oxygen Sensors

42800442 - : Light Sensor Bezel for GM Image

Light Sensor Bezel

2024-26.
$7.10
84878737 - : Park Sensor Bracket for GM Image

Park Sensor Bracket

Slt, at4, denali, inner, silver.
$39.04
MSRP $60.06
Save $21.02
35% Off
86775917 - : Passenger Discriminating Sensor for GM Image

Passenger Discriminating Sensor

Terrain. With heated seat. Without vented seat.
$210.68
84950164 - : Park Sensor Bracket for GM Image

Park Sensor Bracket

V blackwing, electrical components, front, inner.
$30.49
MSRP $46.90
Save $16.41
35% Off
84940325 - : Passenger Discriminating Sensor for GM Image

Passenger Discriminating Sensor

Tahoe. With police vehicle. Suburban. Yukon. Without vented front seat heat. With police car. Without ventilated, with police.
$362.85
MSRP $510.45
Save $147.60
28.9% Off
94858613 - : Ft Impact Sensor for GM Image

Ft Impact Sensor

Prizm. Front. Left.
$425.79
12651990 - : Fuel Pressure Sensor for GM Image

Fuel Pressure Sensor

Express, savana. 6.6l diesel. Lgh engine. Signals the PCM to monitor fuel supplied to the engine Designed to accurately monitor fuel...
$123.49
MSRP $197.58
Save $74.09
37.5% Off
13505369 - : Battery Current Sensor for GM Image

Battery Current Sensor

This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$24.26
MSRP $35.94
Save $11.68
32.5% Off
97321397 - : Crankshaft Position Sensor for GM Image

Crankshaft Position Sensor

All models. 6.6l. Helps keep engine timing and fuel injection running in sync This GM Genuine Part is designed, engineered, and tested...
$84.41
MSRP $118.46
Save $34.05
28.7% Off
85040024 - : Front Speed Sensor for GM Image

Front Speed Sensor

Acadia. Without pre crash. Left. Exc.Collision Mitigation Braking System. Incl.ABS Wheel Speed Sensor Wire Harness.
$29.67
MSRP $45.65
Save $15.98
35% Off
85523717 - : Pedal Travel Sensor for GM Image

Pedal Travel Sensor

Envision. XT4. Incl.Pedal Assy.
$27.16
MSRP $41.78
Save $14.62
35% Off
12683486 - : Exhaust Temperature Sensor for GM Image

Exhaust Temperature Sensor

6.6L diesel, egr valve & related components, 2017-19, upper, front. Exhaust temp sensor. 6.6l. Position 1. Silverado, Sierra 2500 HD....
$54.91
MSRP $84.48
Save $29.57
35% Off

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How Oxygen Sensors Work in Your Chevrolet Blazer

Oxygen sensors are critical to properly operating your Chevrolet Blazer. These little but crucial components monitor the oxygen in your vehicle's exhaust gasses, ensuring that your engine operates effectively and emits fewer pollutants. Without functional oxygen sensors, your vehicle may experience lower fuel economy, higher emissions, and even engine damage. Regular maintenance or replacement of malfunctioning sensors may save you money at the gas pump while also extending the life of your engine. Furthermore, oxygen sensors help your car comply with environmental requirements, making them necessary for performance and sustainability.

Importance of Oxygen Sensors

Oxygen sensors are critical to keeping your Chevrolet Blazer's engine running properly. They are located in the exhaust system and measure the oxygen levels in the exhaust gases before and after combustion. These readings are communicated to your car's computer, which uses them to modify the air-to-fuel ratio for more efficient combustion. Properly working sensors guarantee that your vehicle works smoothly, boosting fuel efficiency and lowering hazardous emissions. Furthermore, oxygen sensors detect and notify any faults in the exhaust system, allowing you to address possible issues before they become more serious. Regular maintenance or timely replacement may improve engine performance and fuel economy while lowering environmental impact.

How Do Oxygen Sensors Work

Oxygen sensors are positioned in your Blazer's exhaust manifold and catalytic converter and continually check exhaust gasses' oxygen level. These sensors create a voltage signal proportional to the engine's air-to-fuel ratio. When the mixture becomes too rich (excess fuel) or too lean (excess oxygen), the sensors alert the vehicle's engine control unit (ECU), which adjusts the fuel injection appropriately. This continual feedback loop keeps the engine running efficiently while reducing fuel consumption and pollution. The smooth operation of oxygen sensors is critical to improving engine efficiency and lowering pollution emissions.

Signs of Faulty Oxygen Sensors

Faulty oxygen sensors can cause various problems with your Chevrolet Blazer. The illuminated "Check Engine" light is one of the first failure symptoms. Furthermore, you may notice a considerable drop in fuel efficiency, harsh engine idle, and even difficulties starting the vehicle. As the sensors degrade, they may produce false readings, forcing the ECU to inject the incorrect quantity of gasoline, resulting in poor engine performance. In rare situations, defective sensors might cause the vehicle to fail emissions tests since they control the discharge of dangerous gases. Timely sensor replacement might help to prevent these problems and maintain your car in good condition.

Advantages of Replacing Oxygen Sensors

Replacing worn-out oxygen sensors benefits your Chevrolet Blazer. New sensors increase fuel economy by ensuring the engine obtains the proper air-to-fuel ratio, reducing fuel use. It also helps to reduce the vehicle's emissions, which is good for the environment and can assist in passing emissions testing. Improved engine performance is another benefit since defective sensors can cause poor acceleration, stalling, and harsh idling. Finally, replacing sensors on time increases the overall life of your vehicle's engine, avoiding costly repairs caused by increased fuel use or exhaust system damage.

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