2006 Nissan Xterra Oil Gauge Reading Way High There Check Engine Light Think

2006 NISSAN XTERRA

75,606 MILES

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My oil gauge is reading all the way high. There is no check engine light but I think there is a smell coming from the engine or radiator

I checked the oil and it has oil but it also looks like it may be full
My oil change is not due for another 1500 miles

Mar 18, 2013 at 5:59 PM

JACOBANDNICKOLAS

✓Experienced Mechanic
110,240 POSTS

Oil pumps have a pressure release valve, but it is very rare that they go bad. When they do, the oil pressure goes really high and I've even seen oil filters expand. What you need to do is check to see if the gauge in the car is correct. To do that, you need to rent a mechanical oil pressure gauge. Most parts stores will rent or lend one to you. Then, you remove the present oil sending unit from the engine and screw in the mechanical gauge. At an idle, pressure should be around 15 psi. As the engine rpms increase, the pressure will increase with it. It shouldn't really exceed 80 psi.

Mar 18, 2013 at 6:15 PM

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