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3S-GTE/Turbo MK1 Engine 20vT oil pressure reads low when hot HELP [Archive] - Toyota MR2 Message Board

3S-GTE/Turbo MK1 Engine, heater, find, ci-4, pressure, oils, 0w40, synthetic, 4agte, connecting, shell, conventional, fine, 15w40, rotella, core, engine, flow, valve, thing, circuit, coolant, heat, high, cf-4,cf/sm, cg-4, ch-4, &8220old&8221, ch-4,cg-4,cf-4,cf,sl, made, syntec, belgium, formula, european, black, sold, &8220new&8221, purple, royal, bottle, 5w30, cj-4, factory, place, pulls, concerned, multiple, 24psi, temps, temp

    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