I decided to go up in punch and the cogging came back harder than ever made the truck accelerate unevently it was a mess today. Im using the stock v4 electronics. I have no idea whats causing this my pinion is 14t. I noticed the blue connector heatshink was a bit melting and could see bare wire. So i removed the heathink everything seems well soldered but i came across to this
i refreshed the esc solder join.