1999 ram oil pressure

[70rr 69ch]

Hi guys
Just picked up this truck and it loses oil pressure at low rpm when it warms up.going to check pump out but have any of you had this issue.thanks

[matrout76]

check it with a real mechanical gauge.  the senders are a known issue. 

i replaced the one in my 1994 ram 3x before i had one that lasted.  the first one went out at 48k miles, and the other two within 10k after that.  the final one i put in was still in there when i sold the truck with 200K.