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2001 Jeep Cherokee Check engine and low oil pressure

Tiny
LINDAMARCELLA
  • MEMBER
  • 2001 JEEP CHEROKEE
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 177,777 MILES
A short time ago oil pressure was nil. Had oil pump and sender replaced. Oil pressure increased but drops to almost 0 when stopping at red light. Had oil changed and upgraded to 10W40. It definitely helped but still drops to almost 0 SOMETIMES when idling and check engine light comes on. I would love to get some more life out of my baby. What do I need to do?
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Saturday, October 23rd, 2010 AT 5:10 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Have the computer scanned for code/s-you have a problem within the engine management system that caused the CEL to turn on-This is your starting point of diagnosis, finding out what's going on.

Otherwise, check the oil pressure with a mechanical gauge, if normal replace the oil pressure switch. If abnormal could mean oil pump and/or engine bearing.
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Saturday, October 23rd, 2010 AT 6:41 PM

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