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How to check if there is a problem with the engine oil pump?

2024 08/10

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What symptom does the oil pump break?

If your car is experiencing problems while running, there may be a problem with your oil pump, as the oil pump is responsible for transporting oil from around the engine to the area that needs lubrication.

The faulty oil pump does not deliver enough oil to these areas, and if the problem is not fixed in time, the engine could fail catastrophically.

Learn to recognize the symptoms of a broken pump and how to fix it.

Common symptom

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1.    Low oil pressure lamp

The engine is designed with an oil pressure monitoring system, which is designed to monitor the oil pressure of the running engine and warn the driver if the pressure is too low to achieve optimal engine operation.

You'll see an indicator on the dashboard that looks like an old oil can, usually in red. If this warning light pops up on your dashboard, you should safely pull over and add some oil to the engine. If the light goes away, then you've solved your problem. If it is still present, avoid running the engine before checking the oil pump to make sure it is working properly.

2.    Engine temperature rise

If the oil lubricates your engine properly, it greatly reduces friction on all moving parts. Increasing friction will result in increased heat production, so if your oil pressure is too low, it will cause the engine temperature to rise and may even lead to overheating. If the engine temperature warning light on the dashboard comes on, a damaged oil pump may be the cause.

3.    Noise from the valve train

The top of the engine contains the valve mechanism, which may include tappets, push rods, seals, valve guides, and other fast-moving parts.

A lack of lubrication can cause these parts to rub against each other and metal against metal, which can produce a ticking or rubbing sound that normally doesn't occur in a functioning engine. It will also greatly shorten the service life of these components.

4.    Noisy oil pump

A good oil pump should be quiet when the vehicle is moving, so if you hear an abnormal whine or whoosh from where the pump is located, you may need to replace it. These sounds are the result of gear wear in the pump.

Test oil pump operation

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Check your dipstick and fill it up if it's low.

Check the oil pressure level sensor on the engine. Your engine should have a sending unit that measures the pressure and sends that information to your vehicle's computer. 

Check the wires to make sure there are no breaks or cracks, and check the joints for contamination. These sensors can also fail, so replacing them every 100,000 miles is good preventive maintenance.

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It can be seen from the above problems that regular inspection and replacement of the oil pump is very important, if the oil pump is not replaced for a long time, it will seriously damage the engine.

If you need a new oil pump, please contact us.

Our 1D company is a professional manufacturer of oil pumps, can provide you with better quality products, to solve all your problems.

Whatsapp: +86 13380069746 Web: www.1dauto.com Email:onedauto@qq.com