A popular YouTube car mechanic has warned drivers of older cars to fill up vehicles with premium fuel as it could help vehicles stay on the road for years to come. YouTuber Scotty Kilmer has been a mechanic for over 50 years and uses his channel to share tips for drivers, with his most recent video showing how different fuel types affect vehicles. In his latest video, Kilmer explained that cheap fuel can cause carbon to build up in the engine, affecting the durability of the vehicle in the long term. As older cars are more susceptible to wear and tear, the expert said the best method for preve…
