Bosch Oxygen Sensor For GM Vehicles

Most popular 1-wire oxygen sensor fits many GM vehicles. A worn-out oxygen sensor can cause engine performance problems, such as surging and hesitating. Replacing a worn-out oxygen sensor: Improves engine performance A worn-out oxygen sensor is the number one cause of excessive harmful exhaust emissions. Replacing a worn-out oxygen sensor: Reduces air pollution WHEN TO REPLACE YOUR OXYGEN SENSOR: Carbon, soot, harmful gases, anti-freeze, chemicals and thermal and physical shock shorten the life of an oxygen sensor. That's why checking for, and possibly replacing*, a worn-out oxygen sensor is an important part of every routine tune up. *Most oxygen sensors wear out after 30, 000 to 50, 000 miles in use. Newer heated-type oxygen sensors with 3 or 4 wires wear out after 60, 000 to 100, 000 miles.