Quote Originally Posted by Kittenpunch View Post
So the solution would seem to be...?

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Well I came across it again when re-tuning with the Maf-t. I run 14.0 afr at 0psig and it is less noticable but you can tell it's still there in the background..

I have fitted a 4 bolt engine for other reasons and may try to wire up the seperate sensors for back to back testing on exactly the same tune but haven't had time yet..

The only other theory is it's an oddity baked into the stock map for one reason or another (emissions)?.

If you search 2500rpm, 0psig/ 25 to 30% tps and 1st gen it is a massive problem.

One thing I will say is that when I ran E85 it went away and I've also seen odd I injector behaviour logged with the Emanage Ultimate at exactly 2500rpm..