i have a 2001 jeep with a 2001 5.2 v 8 in it. did a engine swap and i changed
the op sensor and the oil and the oil filter. i took it on a drive and when i
started it i had op on my 10 min drive the op dropped slowly and when i got
home i had no op. the motor has no knocking or any noise to it really need
some help to see where i should start nex
Use a mechanical OP gauge to see what the pressure really is.