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New guy question-VERY high oil pressure on gauge?

33K views 15 replies 10 participants last post by  JoshyG 
#1 ·
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!
 
#6 ·
The psi should change with rpm, etc...if it doesn't, the gauge, or the sensor, is probably malfunctioning.
 
#14 ·
As an update-I fixed my gauge by installing a new sensor months ago. The gauge functioned normally for about 6 months and then started reading super high again-I'm pretty sure it's the sending unit again as it reads max pressure as soon as you turn the key. Any ideas on what could be causing the sending unit to fail so regularly?
 
#16 ·
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!
It's usually the oil pressure sensor I just had the same issue replaced it and it was fine needle dropped right back to the middle took like ten minutes cost 90.00
 
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