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Constant low oil pressur of 13 psi

Tiny
RUSTY AVEN
  • MEMBER
  • 2001 JEEP CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 208,150 MILES
I just bought this car and the oil gauge reads about 10- 15 psi. Won't go higher, and drops when I cut it off. If I accelerate it stays the same and it's the same at idle. Firestone even overfilled it when the oil was changed the day before I bought it.
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Tuesday, December 22nd, 2015 AT 12:08 PM

4 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check with a manual gauge first oil light will not come on until 4 lbs of pressure. If it continues it may be to much clearance in rod/main bearings or very high mileage. Which would be normal.
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Tuesday, December 22nd, 2015 AT 12:12 PM
Tiny
RUSTY AVEN
  • MEMBER
  • 10 POSTS
Ok thanks. If it's rod/cam bearings. What would be the life expectancy. How long before a replacement or rebuild. It's not very noisy as far as a major knock or tick. At this time. Whatever knocks it has don't get louder as I give it more gas. Any Ideas?
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Tuesday, December 22nd, 2015 AT 1:00 PM
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hard telling on life expectancy it can go for years but you really don't know if that is the cause. If you just drive it normal it can go for quite a while. If you go mud boggin then it won't last as long. Kind of a screwy answer but that is all I can give you.
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Tuesday, December 22nd, 2015 AT 3:16 PM
Tiny
RUSTY AVEN
  • MEMBER
  • 10 POSTS
No muddin. Just beach or normal. Thanks
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Tuesday, December 22nd, 2015 AT 5:04 PM

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