L lvgirlinoc Guest Nov 28, 2008 #1 I have a 03 mazda 6, 4 cylinder engine. i need to replace the upstream oxygen sensor how do i do that ? can you direct me to a website that tells me how?????
I have a 03 mazda 6, 4 cylinder engine. i need to replace the upstream oxygen sensor how do i do that ? can you direct me to a website that tells me how?????
