Symptoms of a Bad or Failing Oil Pressure Sensor

Without the proper amount of oil, your engine will sustain major damage. Multiple systems in your car are designed to maintain the correct engine oil level and pressure. In order for the engine computer to regulate the flow of oil, the oil pressure sensor needs to work correctly. The oil pressure sensor is hooked directly to the oil pressure gauge on your instrument cluster. When lower than normal oil pressure is detected, the pressure sensor will make the gauge in the car reflect this change. An Oil Pressure Warning Light will often accompany oil pressure sensor faults.

Like any other sensor or switch in your engine, eventually the oil pressure sensor will have repair issues that need to be addressed. Failing to recognize the symptoms of a bad oil pressure sensor can lead to low oil levels, which can be very problematic for your engine. These symptoms include:

1. The Oil Pressure Light is on

The oil pressure gauge inside your car will give you a good indication as to the condition of the engine’s oil levels. If the Low Oil Light comes on, but you check the oil in the engine and it's at a good level, then a faulty oil pressure sensor may be to blame. When this sensor goes bad, it will start to give inaccurate readings. After the readings fall out of specification, a warning light is set. The faster this sensor can be replaced, the less stress you will have regarding the oil levels in your vehicle.

In some instances, the Low Oil Light will blink on and off when the oil pressure sensor is going out. This can be quite alarming to a driver because the damage that lower than normal oil levels can cause to an engine. Constantly checking can become very time consuming and stressful but is needed to maintain proper oil levels. Rather than having to deal with this, you should get the oil pressure sensor replaced as soon as possible.

3. Oil pressure gauge is at zero

Most older cars have an actual mechanical gauge that gives the driver a readout on the oil pressure. If this gauge is reading zero even when oil levels are where they need to be, then the oil pressure sensor is probably to blame. Modern cars that have a oil pressure gauge use an electronic signal. The gauge may sit at zero, full, or have erratic readings when the oil pressure sensor is failing.

YourMechanic makes getting repairs to your oil pressure sensor easy by coming to your location to diagnose or fix issues. You can book a service online 24/7. YourMechanic’s qualified Technicians are also available for any questions that may arise.


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Joshua

26 years of experience
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Joshua
26 years of experience
Ford Explorer - Oil Change - El Cerrito, California
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15 years of experience
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Chris
15 years of experience
Honda Civic - Car is not starting - San Francisco, California
Very knowledgeable and kind. He spent time going through the tests to make sure he identified the problem. Thanks, Chris!
Honda Civic - Oil Change - San Francisco, California
This is my first experience with YourMechanic. To my surprise I am able to book an oil change with tire rotation with less than 4 days notice, which I know some shops can't provide. Chris arrived early and provided exceptional service. He was friendly, knowledgable and most importantly I can tell he cared about quality work. I highly recommend Chris.

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29 years of experience
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Ronnie
29 years of experience
Dodge Charger - Vehicle Engine Electrical Inspection - Nashville, Tennessee
He did a great job with my car and fixed some issues I couldn't figure out for awhile now!

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19 years of experience
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Kenneth
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Ford Taurus - Vehicle Engine Electrical - Los Angeles, California
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