3S-GTE/Turbo MK1 Engine 20vT oil pressure reads low when hot HELP [Archive] - Toyota MR2 Message Board
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- I have a 20v turbo engine in my MKI and have recently been dealing with some oil pressure concerns. When the car is cold the oil pressure reads 2 bar (30psi) @ idle but once its hot it drops down to about .5 bar (7psi) at idle! This has me concerned :confused:
The setup is as follows:
Garrett T3/T04E 60-trim turbo
-4AN line from oil pressure port to T-fitting with Greddy sending unit then -3AN line to turbo oil inlet (both lines roughly 16