Asked by: Norka Vendrell
asked in category: General Last Updated: 15th May, 2020

What does it mean when your oil pressure goes up and down?

If your oil pressure gauge keeps going up and down, and you have oil, what does that mean? Lisa if you are sure you have enough oil in the engine and it is not currently making any unusual noises. The most likely cause is a faulty oil pressure sending unit. The most likely cause is a faulty oil pressure sending unit.

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Then, what causes oil pressure to go up and down?

The oil needs changing: Over time, oil breaks down and loses some of its viscosity, causing a low reading on the oil pressure gauge. Worn bearings sometimes cause the oil pressure to show a low reading. The mechanic will change the bearings if needed. A broken oil pump may cause a low oil pressure reading.

Subsequently, question is, should my oil pressure fluctuate? Mid-Range is Best. Oil pressure will vary in most engines depending on whether the engine has just been started and the oil is cool or if the motor has run long enough to warm to normal operating temperature. The pressure will vary somewhat with the speed the engine is turning.

Regarding this, what does it mean when your oil pressure fluctuates?

There are rare mechanical problems that can cause an unsteady oil pressure reading. They usually happen right after an engine has been overhauled. If that sounds like you, then suspect a faulty oil pressure by-pass valve or spring inside the oil pump. Valves stick or can get installed wrong on some engines.

Can high oil pressure damage an engine?

High engine oil pressure can cause severe engine damage such as oil pump drive and oil filter failure. Once these conditions occur the engine will rapidly start to wear and ultimately fail.

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