What is the normal oil pressure?
I was to curious to know what the normal oil pressure should be for the 4.0. My oil pressure at idle is at the line between o and 40. While driving my pressure is at 40 to 45. Is this normal or there a serious problem going on here? I changed my oil switch. I just wanted to know if this is normal or not. Thank you.
13psi at idle is factory spec. Your guage may not be correct or else the oil pressure sender is possibly fragged and needs to be replaced. If you truely had zero... you would get a check guages light.
Originally Posted by samgm2 View Post
10 @ 1000 RPM is normal. Nothing to worry about. (Zero is a problem) Jeeps have an 'honest' gauge that tells you what really is happening. Other vehicles don't and just tell you 'everything's fine' all the time to keep know-nothings from getting worried, in truth oil pressure changes with RPM's.
I like the baby version the best
Why Jeeps are Better.
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