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Discussion Starter · #1 ·
Hi all hoping someone here can help as I've nearly exhausted all options trying to fix my 2005 d22 direct injection zd30. It has a terrible and constant power surge through all gears most noticable at higher speeds though (80km+). It's had:
new fuel filter and filter head
New injection pump
New timing chain and gears
New MAP sensor
New injectors
New neutral position switch

I don't know what else the problem could be, any info is much appreciated. Willing to try anything now. Thank in advance

15,479 Posts
Welcome to the forum.

As you probably know the ZD30 D22 is almost unique to the Oz market where they dropped the Patrol engine in the Navara. There is a little bit of knowledge on here, but you will find the Patrol forums much more fruitful for engine issues.

An example is this post on

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