First problem gave me a panic attack on the way to work this morning. Pulling the hill in my street and trying to get up to the speed of traffic it got up around 2500 rpm and the oil pressure dropped to 0 ... I quickly pulled off the road and when it dropped back to idle it sh*t back up to like 100 psi???? WTF! Go back out onto the road and it seems fine. Get out to rt88 same sh#t again. So I pull off again and start trouble shooting. First thing I knew I was low on oil because I only put 2 gallon in it but with 2 gallon it shouldn't cavitate. Call my boss and have him bring me a gallon just in case. He shows up I dump it in same sh#t so I limped it to work on back roads and parked it. I did what little research I could at work today and I think it's a bad oil pressure sensor. Actually I'm praying it's a bad oil pressure sensor because the only other thing I can think is when the diesel shop had the pan off they didn't seat the o ring on the pickup tube correctly I'm praying it's not that because I'd need to pull the trans transfer case and the mid plate. You know the exact same job I paid to have done. So I ordered a sending unit and borrowed a car to get home from work and hopefully tomorrow the new sender comes early enough I can get it in and test it tomorrow night. On the bright side detail was slow this afternoon and I finally got last winters salt washed off my truck.