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Is the oil pump OK when the engine is not hot?

Is the oil pump OK when the engine is not hot?

And again, perfect pressure on idle at starting or short drives. I gotta think the oil pump is ok, due to the fact that idle pressure is fine when the engine/oil isn’t hot. Furthermore, the pressure is ok while driving when engine/oil is hot.

Why is my oil pressure so low in my car?

Oil pressure gauge reading too low, generally below 15 to 20 PSI while idling. Cold weather can also make the oil pressure read low until the oil pump has had a chance to deliver the oil to the engine.

Why is my oil pressure reading so erratic?

Contrary to popular thinking, using an engine oil that is too thin will not make the gauge reading erratic on an engine that is in good mechanical condition. If installing a thicker viscosity oil raises the oil pressure, then something major is wrong inside the engine.

How can you tell if your oil pressure is too high?

Oil pressure gauge reading too high, or over 80 PSI while driving, especially at higher RPMs. Vehicle owners can check their manuals for specifics on how high the oil pressure gauge reading should get to when running their engine at certain RPMs.

Why is my oil pressure so high when I am not driving?

The gauge should never read very high when you’re not driving because the engine should be fairly cool due to inactivity. If you park or idle your car after driving and your pressure gauge reading does not return to a lower number, the gauge is defective. There are many reasons why an oil pressure gauge may be broken.

When does the oil pressure go up or down?

When your engine is idle or when you’ve just started your car, the oil pressure gauge will have a low reading. When the engine starts running and heating up or when you’re already cruising on the freeway, your gauge’s reading should increase.

How can you tell if your oil pressure is too low?

Oil pressure gauge reading too low, generally below 15 to 20 PSI while idling. Cold weather can also make the oil pressure read low until the oil pump has had a chance to deliver the oil to the engine. Oil pressure gauge reading too high, or over 80 PSI while driving, especially at higher RPMs.

What causes an oil pressure gauge to not work?

3 Common Oil Pressure Gauge Problems 1 Oil Pressure Gauge Not Working You will notice your gauge not working at all when it stays bottomed out whether the… 2 Oil Pressure Gauge Reading Too Low When your engine is idle or when you’ve just started your car, the oil pressure… 3 Oil Pressure Gauge Reading Too High More

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Ruth Doyle