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7.3 Engine Issues
I just purchased a 2001 F250 extended cab 7.3L Powerstroke. I knew from the get go that the engine was missing and not running 100%, but after doing some research I figured that it was something to do with the injectors and being mechanically inclined figured I could fix it myself.
The issue I'm having is hard to start, takes about 10-15 seconds to start after the "wait" light goes out and you turn the key. There is a puff of white smoke that comes out after it does start and it runs really rough for about a minute or so, then it idles just fine. When on the road it runs rough and when you are cruising at about 50 mph or so and you let off the accelerator and then back on to it, it has major hesitation.
I have removed the driver side valve cover gasket and inspected the injectors, I disconnected each one individually while the engine was running and the engine idle definitely changed as I disconnected each one, one by one.
While I had it open I did notice that the injectors are in the follow order from the front of the truck to the back: AD AE AD AD
I have read on one of the forums that the AE injector needs to be the last one closest to the firewall. Could this be the cause of my problem?
I have not taken the passenger side valve cover off as of yet, since it looks to be not as easy as the driver side.
Any suggestions would be greatly appreciated.