4AG 16V Low oil pressure at idle 10PSI guage autometer

[CHACAMAN]

i have a 4AGZE with fuel pump of the N/A 4AG
and the oil pressure is at 10psi on idle after 15 minute of driving.
what i have to check /

one more question there something different
betwen oil pump of the 4AG and 4AGZE ?

[ZDoman]

What kind of engine oil do you use?

The 4agze oil pump is the same in the smallport 4age and the ae101 20V 4age.
ae111 blacktop pump is also the same by gears inside, but the cambelt tensioner is different.

I think you should check your connecting rod bearings and oil pump (especially the pressure relief valve)

If you have the original toyota oil cooler setup you should check the oil pressure relief valve inside aswell.

[corolla4agze]

i have similar broblem, but some more pressure. last time i change pump. but didint have bearings on hand that time. And rod bearins did look little wear. that broblem only shoys on top pressure and idling very hot engine.

need change bearings near future