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  1. Rough Idle, Poor Gas Mileage - Evoscan Datalog

    Engine - Turbo
    Hi everyone, I'm trying to troubleshoot an issue with my car. Any help or input would be appreciated. I'm working on my 1997 VR4. It's BPU, with 550cc injectors and an SAFCII with a tune, in addition to a handful of other mods in support of a possible future turbo upgrade. Right now, I have a...