New guy question-VERY high oil pressure on gauge? - Nissan Xterra Forum
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#1 Old 10-27-2010, 08:18 PM
UTXterras
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New guy question-VERY high oil pressure on gauge?

Hello everyone, this is my first post on these boards and I'm glad I found this site! I've been lurking for a while and I've searched for an answer to my question but haven't found an answer. I have an 06 Xterra Off Road with 96000 miles on it, we bought it a few months ago and love it!

I noticed the other day that the oil pressure gauge is reading very high-it's at the top of the gauge when the engine is running and it doesn't move with engine RPM or temperature. If you turn the key to ON it stays just below the H mark on the gauge, but as soon as you start the engine it jumps to the top of the gauge. The engine oil level is normal and I just changed the oil and filter about 300 miles ago. What do you guys think, I'm kind of stumped on this one!
Thanks for any advice!
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#2 Old 10-27-2010, 08:50 PM
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my a bad pressure sensor? Are you getting a check engine light?

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#3 Old 10-27-2010, 09:50 PM
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No check engine light, which is what was puzzling me. Am I risking damage to my seals and gaskets by driving with high oil pressure?
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#4 Old 10-28-2010, 05:32 AM
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#5 Old 10-28-2010, 05:49 AM
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Man that had me tripping for a bit...I read both post twice.

I would venture to say a bad oil sending unit too, I would try that first if your going to start guessing at things.
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#6 Old 10-28-2010, 06:46 AM
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Originally Posted by UTXterras View Post
Hello everyone, this is my first post on these boards and I'm glad I found this site! I've been lurking for a while and I've searched for an answer to my question but haven't found an answer. I have an 06 Xterra Off Road with 96000 miles on it, we bought it a few months ago and love it!

I noticed the other day that the oil pressure gauge is reading very high-it's at the top of the gauge when the engine is running and it doesn't move with engine RPM or temperature. If you turn the key to ON it stays just below the H mark on the gauge, but as soon as you start the engine it jumps to the top of the gauge. The engine oil level is normal and I just changed the oil and filter about 300 miles ago. What do you guys think, I'm kind of stumped on this one!
Thanks for any advice!
The psi should change with rpm, etc...if it doesn't, the gauge, or the sensor, is probably malfunctioning.

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#7 Old 10-28-2010, 07:25 AM
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Thanks for the replies guys, my thought was the sensor too but not getting a check engine light is what I couldn't figure out. I'll look into replacing the sensor, according to the FSM it should be pretty easy, has anyone else done theirs?
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#8 Old 10-28-2010, 01:09 PM
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I agree with the sender or guage malfunction!
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#9 Old 10-28-2010, 02:18 PM
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Getting a new sensor ordered today, looks like a pretty easy install so hopefully that will take care of it. Thanks again guys!
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#10 Old 11-09-2010, 10:02 AM
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Update-replaced the sensor and everything seems to be fine. Gauge reading normal, etc. Thanks for the help guys!
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