Engine Starting Problem
Here is an odd one for somebody. I have a 02 f250 with 7.3 powerstroke. 190K miles. A month ago or so it start to smoke and idle rough at engine start (especially cold). Diagnosed what i could but finally had to take it to the dealer. With his equipment, we found out that at engine start the engine will run fine for about 3 seconds and then the whole drivers side bank of cylinders stops firing. After about 30 secs the number 2 cylinder starts to fire, then the number 4, then the number 6 and finally number 8 will start to fire. This whole process takes a few minutes before all cylinders are firing. I am sure the time is dependent on temperature. Any thoughts on potential problem. Thank you.