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  1. Crazy ficm, I'm in need of help

    Engine 911
    Hi everyone! I have a '04 6.0 and I love this truck. I bought an edge cs programmer to mainly view what the truck was doing. I noticed the ficm voltage would drop from 48.0 to around 33.0 at wot. If it was in park and engine running it would always be 48.0. So I took the ficm out and re-flowed...