My old (14) Mustang had exactly the same thing: there was a very noticeable reduction in power at ~2000 RPMs. I always suspected that it was to improve highway

My old (14) Mustang had exactly the same thing: there was a very noticeable reduction in power at ~2000 RPMs. I always suspected that it was to improve highway fuel economy, as that's exactly where the engine was spinning at 74mph in sixth.