Depends on the year, once Nissan switched from the old silver top TD42 to the mid life blacktop TD42 emissions started creeping in, mainly on AUS new trucks, pretty sure NZ didn’t have emissions requirements until about 2006
The 3.0 ZD30 patrol/navara hand grenades also had massive amounts of emissions kit tacked on to them.
I know the 1999-2016 GU patrols got EGR ect, but it would appear most people blocked it off before the warranty even had time
To expire. Certainly wouldn’t be seeing over 400,000 on the original drivetrain with it unblocked and active !
Different between here an AUS, they have to have it for a roady if the vehicle came with it.
We do not need the EGR system For a warrant and most mechanics I have worked with or come across are generally happy to rip it out, easy money for them And a longer engine lifespan (healthier lifespan also) for the customer.
NZTA even grants certification for emissions to be removed, have seen it done on a few 2018 onwards landcruisers to eliminate the dreaded Toyota EGR/DPF system.
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