Why does my truck say no oil pressure?
Why does my truck say no oil pressure? The low oil pressure light is a warning that there's not enough oil pressure or that the oil level is too low. This prevents the oil from going through the narrow passages to provide sufficient lubrication. Lack of lubrication can cause the engine to seize up or cause damage beyond repair. How can I tell if oil pressure is low in my car? Step 1 - To verify the engine oil pressure is low, start the engine (cold) and observe the gauge or light. Step 2 - Using the engine oil dip...