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Thanks for the post.
Having failed all three parts of the test EACH test(every 2 years), even after replacing the header pipe in 2004, I was leaning to a different cause.
That said, I may have to check the exhaust manifold more closely. Maybe the install on the header pipe wasn't the greatest???
I will definitely be replacing the header pipe - I have confirmed a leak, along with the other parts of my "plan of attack" minus the IAC since I don't think it's a factor right now.
02 sensor was replaced in 2008. Any thoughts on replacing that for the full exhaust monty - lol.
Bricker
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