Cummins 155 kilowatts, may I ask the master what is the reason why the oil pressure is too low, the

The reason why the oil lamp is on is not one, if you want to know which one, I recommend:

1. See if there is a shortage of engine oil.

2. Check whether there is a problem with the oil induction plug.

3. Use the oil pressure gauge to directly measure the oil pressure to see what the actual oil pressure is (used to judge the gap between the oil pump and the bearing).

4. The viscosity of the engine oil (non-oil quality problem), the viscosity of the oil used in the new car should be different from the old car, and the viscosity of the old car should be slightly larger.

Give it a try! Good luck!

The grade of lubricant used is not sufficient.

The amount of lubricating oil is small.

Machine filter dirt blockage.

The crankshaft bearing is damaged.

The release valve cannot be closed.

The release valve spring is damaged.

Failure of the suction line of the oil pump.

The oil pan filter is blocked.

The oil pressure probe is bad or the control panel is bad (it is also related to the control screen setting, and the switching amount may also be the leakage of the connecting wire of the switching quantity).

There is also a more subjective factor, and that is that the load is too small.

I know a little bit about the theory of mechanics, and I have encountered the latter two situations myself, I hope it will help you.

Camshafts, camshaft sleeves, and crankshaft size tiles are all related. It is recommended that you check the oil radiator first? The oil radiator may be clogged with debris after a long period of use. Is cool car pressure good?

One shift is the crankshaft size tile, camshaft pad timing gear sleeve is also possible.

Summary. Hello, at present, you take a pressure gauge to actually test the oil pressure data at idle and acceleration to see if it is appropriate, and the idle speed is greater than the acceleration time.

Hello, I'm helping you sort out the answers to your questions, please wait a moment

Hello, before the high reputation, you take a pressure gauge to actually test the oil pressure data of the socks when idling and when the speed is excited, to see if it is appropriate, the idle speed is greater than the acceleration time.

When it runs, it drops directly to 0

That's definitely not suitable, check the oil pump and check the check valve, this situation is basically caused by the internal pressure relief of the oil pump.

What are the reasons for the pressure relief?

The check valve is blocked, or it is caused by severe wear and tear on the internal blades of the oil pump. Also, is it appropriate for you to measure the line voltage of the pressure sensor?

1. The oil is too thin.

Solution: Change high-quality oil.

2. The internal gear of the oil pump is worn.

Solution: Repair and replace the gear.

3. The internal pressure limiting valve is not in disrepair.

Solution: Repair the pressure limiting valve.

Is there a leak in the oil circuit?