P1153 CHEVROLET - blazer

Question

failed aircare do i need a new o2 sensor

Answer 1

HI there

The code means the O2 sensor is not switching often enough. Most cases the O2 sensor is the cause of the problem. Here is some more info for you.

P1153 CHEVROLET - HO2S Insufficient Switching Bank 2 Sensor 1

Read more: https://www.autocodes.com/p1153_chevrolet.html