What causes oil pressure drop?
What causes oil pressure drop? Oil Level Is Too Low The oil level dropping below the minimum dipstick line is one of the most common causes of low oil pressure. This can happen at any time, even if you've recently had an oil change. Over time, engines burn oil more quickly. This is due to piston rings wearing, seals leaking, and so on. What's the normal oil pressure for a Duramax Diesel? I have a 2005 GMC 2500HD, 6.6L turbo Duramax diesel. I have noticed lately that at idle my truck is around 15-20 psi. Also if I am going...