hi i have the same model and have the same problem. i posted this on here a weeks ago and got some great help.it seems it a coomon fault that you have to live with thanks pete
they all do it according to Dr mike. i guess ya just gotta get used to it.
suck squeeze bang blow, that's all an engine is, if is doesn't run as it did from the factory surely the problem is resolvable.It's either going to be fuel, air, or timing?
a 3.1 isuzu is infinatly better :lol: