Oil gauge reads no pressure

Tiny
MICHAEL BURLEY
  • MEMBER
  • 2000 MERCURY MOUNTAINEER
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
What would make the oil gauge read no pressure but then it kick in? The engine does not knock or run different.
Saturday, February 16th, 2019 AT 6:03 AM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

This is probably an oil sending unit that is going bad. I have it happen to me quite a bit in my Mustang. Not sure why they go out, but they do. Check to make sure wire is on good and tight. If it is I would pick one up at local parts house. They are inexpensive, around $10.00. I have included removal/installation instructions in the diagrams below.

Thanks,
Alex
2CarPros
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Sunday, February 17th, 2019 AT 10:22 PM

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