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  1. YF (2011-2014) Sonata/i45
    Appreciate any help or advice. So like the title says, lately I’ve been on the highway and will be cruising and randomly, the car will jump to about 5-6k RPM when I apply gas and them come back down. Doesn’t cause the car to accelerate any faster but the engine does rev up. It used to be 1 every...
  2. YF (2011-2014) Sonata/i45
    What are the facts/myths about what you should and shouldn't do before the engine warms up fully? Heating, acceleration, that sort of stuff? I noticed with my new job and dropping temperatures I'm on the highway (speed limit 55) only a few minutes after leaving the parking lot. Should I keep it...
  3. RB (2012-2017) Accent
    Recently I bought a 2016 Hyundai Accent and swapped engine with a 2012, I don’t know was provoking it to not go over 3000 rpm, I can do 80mph but not over 3rpm