i need help trying to find out my problem. please help me.
my problem is that my truck , a 2005 freightliner columbia, mixed diesal with coolant and i took it to the shop and rebuilt head and got a new gasket, i also changed out all 6 injectors, a week later injector #4 failed and i changed it again then a week after i changed it, it went out again so i changed injector #4 2 times due to failure. please help me because every week i am changing my injector and i dont know what the problem is. Also whenever i start the truck in the morning white smoke comes out of the exhaust and its always vibrating but not very strongvibrations but its not a normal vibration.