Last night and today I have been getting a very low oil pressure reading (< 20 PSI, unless going over 50 MPH, then it's still less than 30), and actually 0 PSI when stopped.

I haven't heard any noises or felt any unusual performance to couple with the unusually low reading, so I bought an oil sending unit to replace the one that is currently on there.

I was wondering how often (or what percentage of the time) this is the problem with low oil pressure? I'm going to replace this tomorrow and I'm really hoping it ends up being this and not the oil pump.

Thanks!

 

For future reference for anyone that is wondering - the oil sending unit being replaced resolved the issues I was having the low oil pressure reading. Now I'm back at a steady 60 psi and 40 when idling.

 

hm my 94 reads about 60 all the time i wonder if the sedning unit on mine is bad as well

 

Could you give me a part number or site for the sending unit? because I can only find the switch. Thanks

 

The sending unit is just another name for the sending unit switch, it's the same part.

 

lol i had been wondering that but wasn't for sure if I was right. Thanks Marty

 

my 3.8 did this, but i still have a question:

i've put two units on in the past 3 weeks, keeps working fine for a week then gives low pressure. what would make these units go bad? if i really had low pressure, then the new units would read low pressure instead of normal before they messed up, right?

 

Okay so i first starting having a oil pressure problem so i looked around and this site was a big help most every had the same problems i did near zero pressure when idling and low pressure when driving so i replaced the sending unit like most said to do now i have five lines on my dash i went from zero idle to the 2nd one and in between half never go above half even when car is could thats only time it even gets to half i dont have any knocks or clatter from the vale covers could my gage just be off?