Erratic oil pressure

[skeeter334]

hi,
i have a 1995 toyota 4wd v6,usually when the engine is cold and i start up the oil pressure guage reads normal,then it will read 0.none of the check engine lights have came on and it runs just fine.im thinking its the oil sending unit.just wondering if anyone have dealt with this before.this all started the day i had the oil changed also.
thanks in advance

 

[Jukelemon]

Does it jump back and forth throughout your drive?

 

[skeeter334]

Does it jump back and forth throughout your drive?

usually it will drop to 0 and stay there.if i turn it off and restart it will come back up a little then drop back down again,no check engine lights or anything abnormal with engine while driving.
Thanks for the reply

 

[Jukelemon]

Have you looked at the oil sending unit to see whether or not there are any connection issues/corrosion issues?

 

[n2666s]

Have the same problem with my 2003 Sequoia, oil levels are normal, does not run hot BUT the oil pressure bounces from 0 to 1 bar ??!!

Lou