Oil pressure

[fords4life91]

Evey sience i got my truck it has had "lower than normal" oil pressure (it has always been on the "N")..... well when I went to start my truck today it was ALMOST ON THE RED!!! So i started to freak out thinkin my oil pump went out!! Well i was talking to my cuz (mike) and we both decided that i should start with changing the sending unit. So i went and bought the 7 dollar part (had a hell of a time installing it...because everything was so damn HOT) but i got it all done and went to start the truck and a miracle occured..... MY OIL PRESSURE IS NOW ALL THE WAY ON THE "M".....which is awseome (for 166K)
So anyways that has to be the best 7 bucks i EVER spent!!!

 

[Skandocious]

Nice! That's right about where mine settles out when the truck is up to running temp. Right between the M and the A.

 

[tomtoc]

mine's at a steady L, but doesn't the stock gauge mean nothing. if the pressure is above 7 or something, doesn't it just go to wherever it pleases? it doesn't move up/down.

i always thought that if it sat on the N, M, or L, all could mean the same thing, it's just a difference in the way the gauge/sending unit from each truck.

 

[Skandocious]

mine's at a steady L, but doesn't the stock gauge mean nothing. if the pressure is above 7 or something, doesn't it just go to wherever it pleases? it doesn't move up/down.

i always thought that if it sat on the N, M, or L, all could mean the same thing, it's just a difference in the way the gauge/sending unit from each truck.

This is what I have always been told but I'm not sure if its totally true... After trying synthetic mobil1 oil, my gauge has shown a noticeably higher oil pressure... Even after I stopped using the stuff

 

[TheRoadVirus]

mine's at a steady L, but doesn't the stock gauge mean nothing. if the pressure is above 7 or something, doesn't it just go to wherever it pleases? it doesn't move up/down.

i always thought that if it sat on the N, M, or L, all could mean the same thing, it's just a difference in the way the gauge/sending unit from each truck.

This is my view of the matter, mine used to be below N. Disconnected it and went with a mechanical and my oil pressure is fine.

 

[fords4life91]

This is my view of the matter, mine used to be below N. Disconnected it and went with a mechanical and my oil pressure is fine.

Ya I bet you had a bed sending unit too!! These stock gauges are pretty accurate!!

 

[flareside_thunder]

You might not have needed the part either....most times it's a bad ground on the sending unit....mechanical is the way to go though...mine runs 65 lbs.

 

[TheRoadVirus]

These stock gauges are pretty accurate!!

Sarcasm? lol. The stock gauges suck, at least up to a certain year. Can't recall which.

 

[Brian_B]

I never have trusted the factory gauges. I have been told some of them are just an on/off switch and they go wherever they want to after they are on.

That is why I am running autometer gauges in my truck.

 

[F 150Cobra]

yepp ive been told they switch on over 7psi or so.. they dont mesure accurat becuase it would go up and down when you drive... want a accurate reading get an mechanical aftermarket guage..

 

[Brian_B]

7 PSI? Wow that is low. I run close to 60 PSI at highway speeds. When cold starting I am around 50 PSI.

Of course, once warmed up and just idling it is lower than all that. I will have to look closer and see where it sits.

 

[fords4life91]

yepp ive been told they switch on over 7psi or so.. they dont mesure accurat becuase it would go up and down when you drive... want a accurate reading get an mechanical aftermarket guage..

I dont 100% agree with that because my buddy has the same truck as me and his rear main leaks (bad) and he knows when its like 2 quarts low because it will run near the "n" so he knows when to add oil!! LOL then he adds oil and its right back up to the "m"