Why is my shoulder strap fraying?I remember how revolutionary it felt when I went through all the custom colors and designs, among other options, when I...
Answer to "Is o2 sensor the pre-cat or post-cat?"there's no way to tell without the OBD-II code. If you don't have it, your best bet is to go to an AutoZone or other auto mechanic and get them to run the diagnostic. They can give you the printout so that you can either purchase the specific parts from them online or elsewhere.