4JX1 engines

Im looking at buying a Isuzu Wizard in New Zealand with the 4JX1 engine ( in America this is the Rodeo) I know about the issues with useing a thin oil and the injector issues but would like to know if anyone still has
problems with this engine after both of these have been fixed. I have had a Jap import Bighorn (Trooper) with the 4JB1 engine for nearly 8 years and its time to upgrade although the old truck may end up being kept for some serious 4wding

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