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Mike V.
Mike V., Nissan Technician
Category: Nissan
Satisfied Customers: 20371
Experience:  Nissan factory trained and Certified Subaru Technician.
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2005 nissan titan oil pressure gauge is maxed out

Resolved Question:

I have a 2005 nissan titan se 4x4 170k miles,
oil pressure gauge is maxed out as soon as you turn the key it maxes out and stays,
I thought it was a sensor however there is a oil leak around the oil filter, oil and filter is fresh, already replaced the filter , cleaned the block, no signs of cracks or pitting. Leak appeares to be from high, already changed the pcv valves with no change.
Is there a oil regulator or something that may be stuck?
problem has presisted thru 2 oil changes, filter and oil are correct
Submitted: 3 years ago.
Category: Nissan
Expert:  Mike V. replied 3 years ago.
Greetings Sir or Madam and welcome to JA! I will do my very best to assist you with your problem.
Has the oil pressure been tested to see if it is actually high?
Customer: replied 3 years ago.
no, it has not , the reason being is the oil leak that has developed around the filter the truck also makes a swoosh sound when turned off in the engin compartment like there is a release in pressure. the filter and gasket are new and the block is clean and has a good seal against the filter.
Expert:  Mike V. replied 3 years ago.
Ok, well,I would check the pressure to be sure it is a problem.
The oil coolers tend to leak on these, even without high oil pressure. There is a O ring behind the cooler.
graphic

There is a regulator valve in the oil pump,.It can give you high oil pressure, but again, the oil pressure has to be checked to determine if it is the cause.
graphic
Mike V., Nissan Technician
Category: Nissan
Satisfied Customers: 20371
Experience: Nissan factory trained and Certified Subaru Technician.
Mike V. and 2 other Nissan Specialists are ready to help you

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