Hey Folks,
I hope someone can suggest where to go from here.
I have the 4.6L in a 2005 Mustang GT.
We have no oil pressure reading on the "gauge" which I know is really an idiot light with a needle.
So I replaced the pressure switch and even after warming it up I still get no reading on the "gauge".
All the wiring and connector near the filter is clean and doesn't appear to be at issue.
Will I need a new gauge? That does not sound cheap, nor trivial to replace.
I doubt this "gauge" has its...

no oil pressure reading, replaced the switch