Matty B Discusses everything you could possibly need to know about Hilux Injectors (and plenty of interesting things you maybe don't need to know haha!)
Chapters are:
1 - How do you know if the injectors are dead
2 - Why its only Toyota's that 'Cold Knock'
3 - When should you change injectors / How long should they last?
4 - Toyota's parts updates over time explained
5 - What part number injector do I need
6 - Should I code injectors?
Links:
Full 1KD injector Page:
https://dieselgeeks.com.au/premium-hilux-injectors-for-your-4wd-adventure/
How to Diagnose 1KD injectors Blog Post:
https://dieselgeeks.com.au/injector-issues-in-1kd-engines/