Symptoms of a Bad or Failing Oil Pressure Sensor

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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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YourMechanic Warning Light is on Inspection Service

Average Rating

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Number of Reviews

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Rating Summary
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Matthew

31 years of experience
647 reviews
Matthew
31 years of experience
Chevrolet Impala - Warning Light is on - Norfolk, Virginia
First off he was on time....actually 30 mins early which was great. Everything he described was what I was going through and he knew exactly what I needed before he even looked at the car. Other mechanics i feel were trying to take advantage because I am a woman but he made me feel comfortable. Still have to get work done on it but at least I know exactly what the problem was.
Chevrolet Tahoe - Warning Light is on - Norfolk, Virginia
Very detailed and takes the time to explain what is being done. Willing to answer any questions you may have. I would definitely use his services again and have already been telling my coworkers about this site. I have a unique electrical situation going on with my truck that none of the dealers could assess. Just by Matt doing some general maintenance , my truck is already driving smoother. Matt asked that I monitor things to make sure we don't need to troubleshoot anything else. I feel quite confident.

Travis

11 years of experience
55 reviews
Travis
11 years of experience
Mercedes-Benz C230 - Warning Light is on - Charlotte, North Carolina
Travis came out to determine cause for the Check Engine light. He did so and told me what needed to be done and the cost.

Juan

7 years of experience
21 reviews
Juan
7 years of experience
Suzuki Grand Vitara - Warning Light is on - Durham, North Carolina
I won't go into details about the actual work performed - the result was completely satisfactory. Juan is knowledgeable about how these computerized engines work . He's very personable, polite, patient with my questions, and when I need service again, I'll request Juan. He put in more time than originally scheduled and seems to want to see things through and honest enough to tell you if the job is beyond his expertise and suggests taking car to dealer for more extensive diagnostic tests. I am well pleased.

Robert

11 years of experience
3 reviews
Robert
11 years of experience
Buick Encore - Warning Light is on Inspection - Manteca, California
He was great because I didn’t have to go anywhere I just stayed at home and he took care of everything

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