Intermittent oil pressure warning light

Tiny
JTBRANCH
  • MEMBER
  • 2014 FORD EDGE
  • 3.5L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
Light come on and goes off intermittently.
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Monday, February 10th, 2020 AT 3:29 PM

4 Replies

Tiny
JOETECHPRO
  • EXPERT
Hey JTBRANCH,

Sounds like you may have an issue with the oil pressure switch or wiring.

I have attached the instructions for replacing the oil pressure switch.
I have also attached a picture of the location.

The engine oil pressure switch simply grounds a wire from the PCM when the engine oil pressure exceeds a minimum operating value.

If the connection is bad or the there is an intermittent open in the wiring you would also have this problem.

I have attached the wiring diagram for the oil pressure switch. There is one grey wire that runs from the PCM.

I would advise checking the connection on the oil pressure switch and if okay replacing the switch and retesting.

Regards, Joe
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Monday, February 10th, 2020 AT 4:15 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Is the engine oil clean and full? Do you have a quality oil filter installed? Are there any oil leaks that you see?

Let me know.
Joe
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Monday, February 10th, 2020 AT 4:15 PM
Tiny
JTBRANCH
  • MEMBER
Oil and filter are fresh, no leaks are visible. Can a shade tree mechanic replace the switch easily?
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Monday, February 10th, 2020 AT 8:41 PM
Tiny
JOETECHPRO
  • EXPERT
Hey JTBRANCH,

Yes replacing the oil pressure switch is a fairly simple job.

Get it replaced and let us know how the result.

Best of luck.

Regards, Joe
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Monday, February 10th, 2020 AT 10:04 PM

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