I was thinking of restricting the fuel and advancing the timing to help with the altitude issues, would this be worth doing before I replace all the injectors? Or is 141k past the injectors normal lifespan and should be done to prevent bigger problems
1990 f250 with 7.3 idi, 141k, mostly stock
When going down long and straight descents, I have the throttle very lightly down, just enough to fully engage the transmission and the truck has a lot of mostly white smoke coming out of the exhaust. This will also happen when coasting in gear, but...
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