Over the time the exhaust gas recirculation (EGR) system may become plugged with debris, the oxygen sensor may also be getting slow or 'lazy' around this time. When servicing or cleaning the EGR system, it is a good idea to replace the oxygen sensor because it works in tandem with the EGR system.
Replace Oxygen Sensor When Servicing EGR System on Geo Prizm
Average mileage: (–)
8 people reported this problem
0 people shared problem details
At higher mileages, an anti-lock brake system wheel speed sensor may wear out and illuminate th...
faster than car when taking off but once you get going there is power but also a noise when you...
could upstream or downstream o2 sensor cause this problem