my mate had a trooper 3.0 lovely 4x4 and when working it is great !! its a lot more powerful then the 3.1. he hasn't had it long it had a new engine after the last one went pop. under warranty due to the injector problems. its giving problems now also.
he had the 3.1 for 8 years before that and never once gave him trouble. he wish he never got rid of it now. i also have the Monterey which is the same as the trooper. i have the 3.1 engine in mine,.and other then general stuff it has never broke down or had problems with engine etc. I also drive a lot between shooting and use it as my every