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Thread: So who wants their ECU's "Chromed"?

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  1. #10
    Yes that is correct, I did make a mistake. Based on earlier messages VR4whore had sent me privately and info he posted here, I was too quick to point the cause of his stumbling at boost because the way he had described it earlier sounded right about the point where the fuel relay normally switches from low voltage to full voltage. I did not verify how the stock low/high voltage fuel relay operated with a non-VR4 ECU and was very concerned he might be running very lean based upon symptoms. I was surprised to hear the our cars default to high voltage mode, but when you think about it, it makes sense from the point of safety / failure mode point of view. I have verified the fuel relay circuit in my service manual and what you have said is correct. My apologies. It's very difficult to give tuning advice without being there in person.

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