hello i have a 2003 navigator 5.4 engine 2wd and want to know the reason why does when im going up hill it drives it struggles going up a hill and my tranny doesn not shift into the gears going up
untill we get in straight road it drives
fine but hesitates alittle wen i floar it
hit the gas and my tranny hits into
2nd gear any answere in wat it could
be help please