Insufficient fuel being delivered to injectors. Check diesel pump leakages , maintain rpms at 3000 for 2 minutes. Sounds should go , if not then timing chain is hone due to wrong engine oil
It's a diesel engine. For cruising and long drives, diesel engines are better if car have good cabin insulation. Usually in cars with diesel and petrol options, diesel engines are more powerful and torquier. Diesel engine efficiency is 30% compared to petrols 15%. And Toyota make good reliable engines whether it's petrol or diesel ❤️
@@jijogj yeah i live diesels torque and most people hate diesel's sound but i love diesel's sound.I think diesel's sound is better than gasoline sound.Diesel engines sounds like music to my ears
