Oil pressure gauge says Zero?

[john510]

Have 2006 Ford Power stroke with 6.0 in it.. Just started doing this ... When Im driving the oil pressure gauge is fine and motor sound fine, but sometime when I come to a stop sign the oil gauge will drop all the way down to zero, the motor still runs fine and has plenty of oil in it. After I press on the fuel pedal to raise the RPMS just a couple the gauge goes back up. the odometer will all so blank out and it will flash "read gauges" when this occurs,, its driving me crazy and not sure where to start..

[dhanna6powerstroke]

Oil pressure sensor probably going south.

[rdezs]

That gauge is not really a gauge. It's a fake. An idiot light. Your factory sending unit is located right behind the oil filter housing, easier to remove the turbo oil line to access it. It's just an on/off switch that is tripped at 7 or 8 lbs if I recall correctly. Sending unit is probably going bad, they are not expensive. Check the condition of your harness while you're there.....make sure nothing is rubbed through. If you're really worried about the oil pressure...before you install the new sending unit, mount an oil pressure gauge into the hole and check it out. The thread size into where it mounts is 7/16th x 20 tpi, so you'll need an adapter. Relying on the dash gauge is pointless......it only responds to the sending unit measuring minimal pressure, and puts the needle in the 'normal' range. Good time to get yourself a real gauge installed, perhaps.