Quote:
Originally Posted by dksob81
I am working on a 1999 Ford E350 5.4.
It has an issue with running rough (bucking/surging) when climbing a hill at around 40 mph.
constant load (not too much throttle). it will be running fine then all of a suddne start bucking/surging quickly. I haven't been able to get it to do it on 5 attempts today but the other day test drove it with the customer and it did it on key just as he said it would.
|
have you changed the amount of fule in the tank,,, if so your problem mite be the pick up in the tank on an incline,,,,, hope that helps