can the o2 sensor be faulty and not the catalytic converter
5 Answers
I don't know. I'll have to get it - maybe from an auto parts store?
The code is PO420. I bought some Cataclean to try. I am trading the car within the next 500 miles so I need the light off when I go to the dealer.
okay if you are trading it in just disconnect the battery to reset it the day you do if the light comes back on the sensor is bad
2 people found this helpful.
Best Answer
Mark helpful