hey man, i just noticed ur message now. hmmm maybe its saying u have a bad o2 because one is bad. i just had high flow cats an LT headers put on my truck and i havent thrown any codes. but i did put in new o2's, so idk man, sorry im no help to ya.
post a thread in the GEN2 section, the big guys will answer all ur questions.
billt
post a thread in the GEN2 section, the big guys will answer all ur questions.
billt
