dodge ram 1999

1999 DODGE RAM
87,000 MILES • V8 • 4WD • AUTOMATIC
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LARRYBSURER
  • MEMBER
  • 1 POST
oil pressure goes up and down.
Feb 11, 2011 at 1:42 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
6 psi at idle. 30--80 psi at 3000 rpms, warm engine.
Feb 11, 2011 at 2:05 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Do you have any type of engine knocking noises?

Check the oil pressure with a mechanical gauge,if normal replace the oil pressure switch. If abnormal could mean oil pump and engine bearing.
Feb 11, 2011 at 2:26 PM
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