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03 7.3L No Power When cold
I am trying to help my neighbor with his 03 F250 7.3 L PowerStroke superduty truck. He has no power at all when it is cold ie; barley moves. Truck has to idle for 20 to 30 minutes before he can drive it. By cold I mean 45 degrees outside...not freezing. After it warms up, it drives fine.
I have read that EBPV (exhaust back pressure valve) could be the culprit, but not sure how to test it, and where it is located. Any help or suggestions or ideas will be greatly appreciated.
As for me,10 yrs ago I was an ASE cert tech, with a degree in auto repair, but I have done very little work on diesel's. I do have tools and understand the righty tighty theory.. well maybe a little more than that, but some of it is a little fuzzy now.