Quote Originally Posted by exoskeleton View Post
hi guys, may i ask what is the normal oil pressure of a 4k engine type? i just bought and installed an oil pressure gauge on my 4k engine...

thank you
bro, at idle normal oil pressure should be 25psi.+ (while engine still cold). but after the engine fully warms up, oil pressure goes to drop by below 25psi * hot idle (something like 15psi). that's for toyota 4k.