I have a diode moded 2003 a4 and i dont want to hear anything about getting a chip because it runs perfectly fine EXCEPT i keep getting a code for engine UNDER boost. there is not cel just a code thrown that is undetectable to passengers, but it is thrown and there is a slight bit of slower acceleration. i think it is coming from partial throttle acceleration, 30% or less, the engine doesnt build boost but with the n75 and no diode itll prob. boost a few pounds. any way around this?? do yall understand what i said lol??
barrett
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