A few days before we were to go on vacation we received a campaign letter from Kia about reprogramming the ecm because of the knock sensors. In this letter it stated that after the repairs were done the would warrant the engine for 10 years or 150000 miles from first in service date. My Kia has 144417 miles on it. Because it was so close to our vacation time I didn't have time to take it to the dealer and get the campaign done on it, I was going to do it when I returned from vacation. When we were returning on I-75 outside Chattanooga Tn I heard a loud noise, check eng light started flashing, it jerked me into the right lane which I barely avoided a crash with a vehicle in that lane, smoke was coming up behind me after getting the vehicle to the shoulder of the road some lady pulled up in front of us and said the car was on fire i raised the hood and it was burning at the firewall and underneath it. I instructed my son to get my wife and 3 yr old grandson out of the car, they were in the back seat. I happened to have a case of water in the ack so I started getting out bottles of water out and pouring them on the flames when a dot truck pulled up with a fire extinguisher and finished putting out the flames. There were no warning lights or noises on before this happened. I have been a mechanic all my life and upon inspection I saw that it had slung a rod out the side of the block and that the oil hitting the hot exhaust had set fire to the vehicle. I had to pay 350.00 to get i