Toyota 1KD which look like they are peizo so yeah. Early base model hilux seem to have a basic loom and minimal security other than immobilizer key so could be doable with factory loom with some dicking round
Toyota loom plugs-
I'm guessing they will be denso brand or similar? Making up a new engine loom so wanting to depin the plugs and crimp new pins into them as I modify things along the way. Anyone found a source of pins on Ali or the like?
Sounds like valve stem seals to me. ICV is open when it warms up so intake vacuum is low, soon as its warm that closes up and the vacuum ramps up which sucks the oil thru