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oil pressure

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Old Jul 10, 2011 | 02:23 AM
  #1  
jeepguy93's Avatar
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From: aurora colorado
Year: 1991
Model: Cherokee
Engine: 4.0
Default oil pressure

On the guage where shud oil pressure be???
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Old Jul 10, 2011 | 02:45 AM
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130mph+cherokee's Avatar
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Around twelve when its warmmed up, when not warmmed slightly above 40. Thats at idol
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Old Jul 10, 2011 | 02:53 AM
  #3  
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From: Fort Collins, CO
Year: 1996
Engine: 4.0L HO
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Mine at idle when first started is around 70-80 depending on how cold it is, and once warmed up between 30 and 40. 120,000 miles.
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Old Jul 10, 2011 | 10:09 AM
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peep's Avatar
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From: Ontario, Canada
Year: 1989 Laredo
Model: Cherokee
Engine: 4.0 L 6 Renix
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Anything above Zero is a plus. 20 or more at idle, hot would be best to see. 10 or more if really, really hot, just had a workout, etc. 40 or more on the road at running speed.
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Old Jul 10, 2011 | 12:23 PM
  #5  
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Thats rather high
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Old Jul 10, 2011 | 12:30 PM
  #6  
2KXJJEEP's Avatar
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From: KY
Year: 2000
Model: Cherokee
Engine: 4.0 L6
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no its not... 30 to 40 is good oil pressure
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Old Jul 10, 2011 | 01:19 PM
  #7  
Caish's Avatar
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From: Arkansas
Year: 1987 & 1996
Model: Cherokee
Engine: 4.0
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Standard rule on oil pressure.
you want 5PSI per 1000 RPM of constant operating speed.
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Old Jul 10, 2011 | 01:21 PM
  #8  
00jeepXJ's Avatar
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From: Kalamazoo, MI
Year: 2000
Model: Cherokee
Engine: 4.0L with throttle body spacer and cold air intake, bored throttle body, #784 injector upgrade
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mine runs at 30-40 when warm at idle. When really cold and while running at speed it sits usually around the 50-60 mark. My is a 00 with 115k on it.
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Old Jul 10, 2011 | 01:32 PM
  #9  
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From: Northeast Ohio
Year: 1998
Model: Cherokee
Engine: 4.0 L
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when my xj is at operating temp and its hot outside, my pressure will be right around 13 at idle. When I first start it up, it will go almost all the way up. Cruising down the road it stays around 30 or so...mine has 170,000 I6
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Old Jul 10, 2011 | 01:40 PM
  #10  
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From: aurora colorado
Year: 1991
Model: Cherokee
Engine: 4.0
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Can I get pics of peoples oil guages when drivin?
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