Re: Oxygen Sensor might be bad
I'll add that in several cases if the O2 sensor before the cat is bad, the O2 sensor after the cat will more than likely follow in a week to a couple months. Bosch is an excellent replacement. I have them both on my Taurus and Durango R/T.
'00 Durango R/T 360ci 290hp (modded); 138,500m
'06 Pontiac G6 GT 3.5L 220hp; 44,000m
'12 Chrysler 200 Limited 3.6L 283hp; 13,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!