Dodge Ram 1999

Tiny
LARRYBSURER
  • MEMBER
  • 1999 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 87,000 MILES
Oil pressure goes up and down.
Friday, February 11th, 2011 AT 9:42 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
6 psi at idle. 30--80 psi at 3000 rpms, warm engine.
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Friday, February 11th, 2011 AT 10:05 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 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.
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Friday, February 11th, 2011 AT 10:26 PM

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