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Oil Pressure sensor

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My Ford Edge has an oil pressure low warning come on randomly while driving. It clears instantly but always flickers back on randomly. Has anyone had this issue or can point me in the right direction. I was thinking a faulty oil pressure switch. I have a 2013 Edge SEL with 6 cylinder

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Probably the sensor, but did you check the oil level just to be safe?

Edited by akirby
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Probably the sensor, but did you check the oil level just to be safe?

 

Yes i Checked the oil. plenty in the car still. It is getting close to time to replace the oil. I will most likely change the oil and the filter when i swap the sensor.

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The "sensor" is a "dumb" switch. It is prone to leaking over time, so I would check for that.

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I would take a low pressure warning at face value until proven otherwise.

 

It could be the oil solenoid valve that regulates the pressure, but best to have something like that checked ASAP.

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I certainly wouldn't continue driving it with the light on without verifying it with an external gauge. If it just flickers every once in a while it's probably ok but don't wait too long.

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I was going to change the sensor tonight and then if that doesnt fix it take it to a dealership to have them take a look at it.

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The "sensor" is a "dumb" switch. It is prone to leaking over time, so I would check for that.

Changed the oil last night and took a look at the switch. It does appear to be leaking some. what is the fix for that just replace the switch?

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Correct. Use a tiny tab of blue loctite to seal it right.

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Changed the oil last night and took a look at the switch. It does appear to be leaking some. what is the fix for that just replace the switch?

Depends on where its leaking from, if its the mounting thread, then re-installing it with thread sealer should take care of it, but if the oil is coming from the electrical switch section, then a replacement is your only option.

 

If there's minor leakage at the mounting thread, its not going to give you false low pressure warnings, but if its leaking into the electrical switch it could be giving false indications.

 

Until the actual oil pressure is confirmed, I'd not drive the vehicle.

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Depends on where its leaking from, if its the mounting thread, then re-installing it with thread sealer should take care of it, but if the oil is coming from the electrical switch section, then a replacement is your only option.

 

If there's minor leakage at the mounting thread, its not going to give you false low pressure warnings, but if its leaking into the electrical switch it could be giving false indications.

 

Until the actual oil pressure is confirmed, I'd not drive the vehicle.

 

 

Ok thanks. I got a new switch from Ford yesterday and will replace it tonight. I think it is leaking through the switch

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I am experiencing a very intermittent flash of that same warning light. Did this fix your problem?

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I see this is an older topic but you might want to jiggle the sensor wires with someone watching the dash to see if the light comes on. In one of my manuals there's something about a short initiating some sensor warnings. I don't remember if it was a short to power or ground?

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Bump for an old thread....I have a 2013 Ford Edge Sport. Mine just started flashing the intermittent Low Oil Pressure Warning light. Generally just at idle. If this were a true low oil pressure situation, then anything hydraulic would start rattling once oil pressure dropped off so this is clearly a false indication as mine is still quiet as a mouse. What is the consensus ...replace the sender/sensor? 

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Assuming the oil level is holding steady, replacing the switch is the next step, short of actually putting a gauge on the port.

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On 6/19/2019 at 8:03 AM, Radical337 said:

Bump for an old thread....I have a 2013 Ford Edge Sport. Mine just started flashing the intermittent Low Oil Pressure Warning light. Generally just at idle. If this were a true low oil pressure situation, then anything hydraulic would start rattling once oil pressure dropped off so this is clearly a false indication as mine is still quiet as a mouse. What is the consensus ...replace the sender/sensor? 

 

When I bought my Edge last November about two weeks after the low oil pressure light came on and went right off when I pressed the gas at a stoplight. I got upset because I thought the dealer sold me a busted car. I know how serious low-pressure oil can be to your car.

 

I knew it was actually the switch based on the fact that I am a mechanic with knowledge about the issue and I didn't need a manual oil pressure gauge to check it. When you are sitting at a light and the switch goes off repeatedly randomly, but then you press the gas to get up to 2000 rpm, or when you have it happen so much and then it stops for 2 weeks but then starts randomly again and you go under the car and see oil leaking from the switch, it might be the switch. 

 

I replaced the switch and the oil pressure switch connector because the wiring was soaked in oil and it was bad. The leak got so bad that I drove for 2 days while knowing the leak was so serious that I ran out of oil. I was doing some testing and I placed 5 quarts of cheap oil in it and it was gone in 2 days. You could start the car and watch a large puddle arise within 10 minutes. It was bad, but once I replaced the switch the light never came on again. I first replaced the connector and the light came on right away, but then replaced the switch and the light on the dash went away. At one point for a few days, the light stayed on the dash and I just ignored it. I did have a thought that what it this beautiful car did have low engine oil problems but then I was like Nah.

 

Sometimes you think that you have a major engine issue but it's just a sensor. The oil pressure switch is one of those things that would make someone say that you should stop driving and it's understandable but it wasn't bad oil pressure, it was just a faulty switch which caused me about $50 dollars in oil loss and the switch was $13 dollars at Autozone.

 

I bought the switch when the light came on 2 weeks after I owned the car and did not replace the actual switch until about 7 months later. Off and on the switch would throw the indicator on the dash but I just ignored it. Maybe I got too confident with my analysis instead of doing a check and chose to be lazy, but it was still the switch and nothing more.

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51 minutes ago, Sanoa said:

 

When I bought my Edge last November about two weeks after the low oil pressure light came on and went right off when I pressed the gas at a stoplight. I got upset because I thought the dealer sold me a busted car. I know how serious low-pressure oil can be to your car.

 

I knew it was actually the switch based on the fact that I am a mechanic with knowledge about the issue and I didn't need a manual oil pressure gauge to check it. When you are sitting at a light and the switch goes off repeatedly randomly, but then you press the gas to get up to 2000 rpm, or when you have it happen so much and then it stops for 2 weeks but then starts randomly again and you go under the car and see oil leaking from the switch, it might be the switch. 

 

I replaced the switch and the oil pressure switch connector because the wiring was soaked in oil and it was bad. The leak got so bad that I drove for 2 days while knowing the leak was so serious that I ran out of oil. I was doing some testing and I placed 5 quarts of cheap oil in it and it was gone in 2 days. You could start the car and watch a large puddle arise within 10 minutes. It was bad, but once I replaced the switch the light never came on again. I first replaced the connector and the light came on right away, but then replaced the switch and the light on the dash went away. At one point for a few days, the light stayed on the dash and I just ignored it. I did have a thought that what it this beautiful car did have low engine oil problems but then I was like Nah.

 

Sometimes you think that you have a major engine issue but it's just a sensor. The oil pressure switch is one of those things that would make someone say that you should stop driving and it's understandable but it wasn't bad oil pressure, it was just a faulty switch which caused me about $50 dollars in oil loss and the switch was $13 dollars at Autozone.

 

I bought the switch when the light came on 2 weeks after I owned the car and did not replace the actual switch until about 7 months later. Off and on the switch would throw the indicator on the dash but I just ignored it. Maybe I got too confident with my analysis instead of doing a check and chose to be lazy, but it was still the switch and nothing more.

Me, I don't gamble.

 

If the oil light comes on, I stop the engine immediately until the problem is clearly identified and resolved - always trust the oil pressure instruments until proven wrong, and until then, don't run the engine.

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 I'm not very lucky so I have to try to be smart.✌️

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