I'll look into the injection system on that car. Thanks for the tip! I'm not crazy though right? So far I've checked all the usual suspects. I'm starting to think this car hates me personally.

I have had a P0133 02 bank 1 sensor 1 slow response code for a while now and am running out of things to look at. Following is a list of things I've checked or replaced. replaced: Both o2 sensors upstream does have the jumper exhaust gaskets, head to manifold, manifold to turbo, and manifold to cat ...