I remember reading some a Terminator fan-fiction story where most of the time Terminators were intentionally in a downgraded mode w.r.t shooting. However when

I remember reading some a Terminator fan-fiction story where most of the time Terminators were intentionally in a downgraded mode w.r.t shooting. However when things were important Skynet made sure they could shoot properly, at which point they started shooting very accurately.