truckguy02
New Member
help were do i start the hoe throw a PO430 code but drives fine no skips, no rough idle, no hesitation, plenty of power . could it be an O2 sensor? and if so witch one i have found 3, 1 in each down pipe before each cat and 1 after the y pipe but before the muffler. at over 50.00 each i don't have the money to just throw 3 news one in any suggestions?or is there something else i should try first?