Ive heard that my model car has 2 oxygen sensors, is this true? Also the Oxygen sensor warning light on the dash is lit up, I assume that means I need to replace the sensor right? I was able to locate one sensor underneath the car on the exhaust pipe just to the rear of the front wheels, is that the one that needs replacing? I looked up the sensor price and its about $115, Im willing to try the ford mustang one that supposedly works but which mustang is the sensor from?.

Thanks ahead of time for any and all help on this one

__________________
1984
190e 2.3L
107000 miles