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Oil pressure

Tiny
BHSHAW
  • MEMBER
  • 2001 GMC YUKON
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 217,000 MILES
Low oil pressure indicator keeps coming on even after oil change. What could be the problem
Wednesday, March 23rd, 2011 AT 3:39 AM

2 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,871 POSTS
Have the pressure checked with a mechanical gauge. If it is really low, suspect worn bearings. If it is normal, suspect a defective sending unit for the gauge.
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Wednesday, March 23rd, 2011 AT 3:51 AM
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Does it only come on at idle? Is idle speed to specs? You could try higher viscosity grade to see if that does the trick?
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Wednesday, March 23rd, 2011 AT 5:10 AM

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