Well, at idle after the engine is warmed up mine is at 1 bar ~ 14 psi not under load and sitting still. Under normal running conditions it's usually at 60ish psi.

I'd like to know what the minimum level is before the gauge detects a drop and goes down. I'll see if I can find out any specs on this.

 

Your at 14psi at idle?!!!! I'm never below 22psi at warm idle.

 

I checked other posts on this, even Jedi had a post saying his was as low as 14. This was during the hotter months and I run 0w-30 keep in mind. I'm thinking of switching to 0w-40 for more protection but I'm not going anything thicker than that.

 

Yeah I run 0W-30 GC in the hottest weather aside from Arizona and some parts of Nevada and I have never had pressures that low. That just seems really low to me but it could be fine for all I know.

 

vlaze: if the system loses ENOUGH pressure that the needle moves, you'll probably have already noticed the issue. Trust me, it's worthless even as a warning indicator. There is no evidence that it ever senses anything...

 

Yeah a local member here had his pressure sending unit on by two or three threads and it was leaking like crazy and he had to add two quarts and his factory oil pressure gauge didn't budge.

 

I'm pretty sure the oem isn't connectec to anything. (I think I remember Zoom44 mentioning it???)

 

So what does the sending unit go to? a wiring diagram of the cluster should tell us that.

 

what sending unit?

 

The oil pressure sending unit on the block (rotor housing).

 

the sending unit is located behind the oil filter ----

Its useless because it does NOT have any sensing ability --- Its just an ON/OFF switch, if its sensing "no pressure", it means its either not working(which I dont give a **** about) or You have close to no oil pressure in the system --- which your engine would've blown up long before it had a chance to sense it.

the Oil light unit, which is located by the oil pan, is way more more useful than that pressure dummy switch. AT least if the oil light turns on you should have a little bit of oil left so you have enough time to stop your engine before serious damage occurs.

 

Below you mean?

 

Blah.