Just noticed oil pressure gauge reading below 0 and does not move, with or without enging running. no check engine light on, nothing.
Replace stock sender with basic mechanical gauge to see what really up, or take wire from stock sender and ground it to see if gauge comes up to top. If so, replace sender. (NOTE: Do not use teflon tape or any sealer on threads of new sender as this is the electrical path for ground.)
SOURCE: 92 spider reads 0 at oil pressure gauge but no light illuminated
buy a cheap manual oil pressure test gauge from a parts store, not the kind of guage you put under the dash but a tester, they come with different fittings for may app's, they are about $20, being sure of the pressure is worth that, if the pressure is ok then most likely the sending unit is defective.
SOURCE: Oils pressure gauge fluctuates
check the oil viscosity,it might be too old(driven for toomany miles)..
if thats not ityou might need to get the oil preasure lubricating pump checked,and id suggest you do it fast or theres a lot of engine wear and tear.
SOURCE: oil pressure gauge goes up when car started, but then down to 0
u Have a problem with the oil sending unit. The sensor is located beack right side of the engine block. Take out the switch and make sure u have good oil PSI. Should be 6 psi at idle and around 50 at 4000 RPM. If the presure is ok replace the switch they are very cheap about 20 bucks. Please rate.
SOURCE: fuel gauge reading zero and light on ?
Ford has lots of problems with the sender reliability. Typically, the sender (and expensive fuel pump) replacement resolves the issue. To test, you need to take the connection off of the sending unit, at the tank, turn on ignition, and then ground and un ground it and view results at the gauge. If the gauge responds, the sender needs to be replaced.
There are aftermarket senders that cost less than OEM.
SOURCE: Runs Ok...engine warmed up...come to red light or
Sounds to me like the Throttle Position Sensor. Thats usually what makes the throttle "rev" But that is not going to make the oil pressure drop. Pull the codes from your car and look them up online. sometimes there is an extra fuse u can add to your panel and turn the key on and it will flash your codes via the check engine light. i.e. if the light flashes 2 times then small pause then 1 time and long pause that is code 21. if there isnt a extra fuse you can usually jump it with a paperclip and pull the codes. not really sure how to do that with yours. but im positive Google knows ;)
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