My car has a 3.1 and every time I am going up a hill or small incline above
45 it seems to hesitate. I brought it to a GM dealer and they tested it on
the road with their computer and said it was probably(?) the plugs,
wires,and the coil packs. I changed them all and it didn't change a thing.
I can,t tell if the tranny might be slipping a little or the engine
missing. I changed the tranny filter and fluid and nothing happened, same
with the fuel filter. I have fixed many cars and this one has stumped me.
If anyone has had this problem and fixed or if anyone has any suggestions
I would appreciate it. thank you
