Oil pressure and engine temps
wmc2004aug at bellsouth.net
wmc2004aug at bellsouth.net
Sun Jan 8 22:16:18 CST 2006
At 09:06 PM 1/8/2006, you wrote:
>Is it normal for oil pressure to read low when the engine oil is
>warmed up? My Autometer electric gauge reads about 0 pressure at
>idle even with 10W40 oil when the car is warmed up. It barely goes
>past 25psi at 6-7Krpms.
It shouldn't change all that much. That sounds *really* low,
though. I'd guess if it was actually that low, the engine would be
damaged by now. A bad gauge, sending unit, or wiring would be my guess.
The only car we have with something resembling a "real" gauge is
Lisa's Miata. Its factory gauge goes up to 90 psi, and seems to be
fairly accurate and linear. It usually runs around 60 - 70 psi, but
with recent cold temps it sometimes hits 90 when the engine is cold.
-Wayne '93 SE-R / '93 NK2k / '90 Miata
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