Not to change the direction of this thread but how exactly do you tune for headers? Add more fuel and ign timing?
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You don't tune the headers them self, by getting a custom tune done by say Nelson Performance (indorsements please) they can tune your computer to what mods your running, in turn this would adjust the fuel and air.
if the header were coated they may have fouled the o2 sensor
Correct. I used it on the header bolts, which believe it or not they haven't leaked yet. theres nothing worse than the sound of a leaking block.
ya know i was throwing those same sorta codes, I'm embarrassing myself by telling you this, But all it was, was that my air intake was loose. tightened her up and had autozone erase the codes and its worked great ever since.
I'm writing this to give those who hav the same problems and can't figure whats wrong.
I changed my O2 sensor that was showing low voltage (according to my programmer). And now I have no problems, the codes are gone and I'm finally noticing the potential in my headers!
Glad you got it figured out ya big ol' queer :ghey: