C CarIlliterate New member Apr 21, 2010 #1 I have been told I need a new cat and o2 sensors on my 96 continental. How much does each cost and which is more important to replace 1st. I also need my spark plugs and wires replaced.
I have been told I need a new cat and o2 sensors on my 96 continental. How much does each cost and which is more important to replace 1st. I also need my spark plugs and wires replaced.