Driving a vehicle with short oil press is not good and can reason premature wear the engine parts and also in some situations total engine failure. Many times the oil pressure sensor will certainly alert you the your oil push is short by the ECM sensing low pressure at the sensor.

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Other points can additionally cause low oil pressure such as the oil no being changed for a long period of time. You could have a trouble with the oil push sensor chin or the wiring.

Usually possibilities of the oil pump failing is rare however it can happen and for that factor you desire to check the simplest things first. Try changing the oil and also see if girlfriend still have the short oil pressure worry afterwards.

If the oil pressure is still short you are going to have to remove the oil pressure sensor and install an oil push gauge. Compare your analysis on your gauge come what the oil pressure need to be. If the oil push is reading below what it need to be on your gauge more than most likely the oil press sensor and wiring are ok.


I came throughout this on a cummins ISX engine which had low oil pressure. The person who worked on it before me tried transforming the engine oil and replaced the oil press sensor v a new one and also the vehicle still had low oil pressure.

They assumed it probably needed an oil pump. Ns was recruited to change the oil pump however wanted to carry out some checks of mine own prior to taking the totality engine apart.

I knew there was a new oil press sensor installed and also have seen new aftermarket oil push sensors faulty the end of the box. I confirm my oil press reading ~ above the dash and wrote down the pressure.

I gotten rid of the oil pressure sensor and also installed one oil press gauge and the reading on the gauge evidenced that the reading was exact on the dash so without doubt the oil push was low.

I proceeded to drain all the engine oil and also remove the oil pan. The an initial thing that I needed to remove before proceeding with changing the oil pump to be the oil pump pickup tube. The pick up tube had two mounting brackets attached come the pickup tube and was bolted ~ above the bottom that the engine.


While removed the pickup tube i noticed that one of the base had damaged off whereby it to be bolted on the engine. As soon as I fully removed the oil pickup tube I can see the not only was the mounting side damaged but the bracket was bouncing roughly for so lengthy it do a tiny hole in the pickup tube.

The feet in the pickup tube was sucking air and causing low oil pressure. The feet was little enough come still have actually some oil pressure yet not the oil push it should. As soon as I readjusted the oil pickup tube the problem went away and also the automobile was fixed.

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So if you have actually a Cummins ISX in the car you"re working on this is just one of the points you can want to check if you"re having actually low oil pressure issues.

I was about to continue to readjust the oil pump which is a most work top top this engine however found a simple problem which need to be confirm anytime an oil pressure concern arises. This is a common problem top top Cummins ISX engines.

If girlfriend would favor to know other common problems with Cummins ISX engines click here.