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Low oil pressure

Tiny
JRROYCE88
  • MEMBER
  • 2003 FORD EXPEDITION
  • 5.4L
  • V8
  • 4WD
  • AUTOMATIC
  • 228,000 MILES
Changed the oil and oil filter and also the oil pressure sensor/switch, but still says low oil pressure on dash and won’t start. Any suggestions?
Monday, April 1st, 2019 AT 1:57 PM

3 Replies

Tiny
BMDOUBLE
  • MECHANIC
  • 1,139 POSTS
The low oil pressure warning light will remain on until the vehicle starts. If it starts and the light remains on, then an oil pressure gauge will need to be installed to verify that there is good oil pressure, 40-60 PSI hot is the specification.
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Monday, April 1st, 2019 AT 2:19 PM
Tiny
JRROYCE88
  • MEMBER
  • 2 POSTS
What would cause it not to start. I was told there is a sensor that shuts the engine down to keep it from locking up if there is low oil pressure.
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Monday, April 1st, 2019 AT 2:21 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
That is true, but can I ask if you had this problem before the repair?
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Thursday, April 4th, 2019 AT 11:49 AM

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