phatz_hatz
TYF Newbie
- Joined
- May 24, 2021
- Posts
- 13
- Reaction score
- 11
I have a 95 Tahoe with the TBI 5.7 in it, has 227,000 miles on it 10w30 in it and a quart of Lucas oil. Yesterday i realized that when starting from a complete stop the gauge dips down pretty low below 20 but once i get it going again it reads 30-40. I’m wondering if it is more likely the sender unit or the oil pump itself. Truck runs fine and at idle it idles at 20 psi. Just everytime i accelerate from a dead stop it drops then builds back up again. Don’t wanna starve the engine of oil considering it’s age and mileage. Any help would be appreciated !