Code P0475 Exhaust pressure control valve?
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From: Abilene TX
Code P0475 Exhaust pressure control valve?
I have the predator tuner 40-100hp. I've been getting the check engine light whenever pushing it up around 25 psi. The first few times i pulled a turbo overboost condition code. I then performed the diode mod for the Map sensor. Now I'm getting the P0745 code "exhaust pressure control valve". Problem is that it will not reset when I try to clear it. My question is what is the actual problem, why won't it reset, and is there a mod that will alleviate this code, kinda like the diode on the Map sensor?? Any help would be appreciated. Thanks in advance.
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