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Sounds like he's mistaking the oil pressure gauge for a temp gauge, which if that is the case it's normal. The cold oil is thicker so it will shoot up to "H" (High, not Hot) if you get the RPMs up before the oil warms up.
For the '08s, Nissan made it a dummy gauge due to all the "complaints" about high oil pressure when cold. It's likely just a pressure switch instead of a sensor, either that or they are limiting the signal to the gauge so it doesn't spike up.
For the '08s, Nissan made it a dummy gauge due to all the "complaints" about high oil pressure when cold. It's likely just a pressure switch instead of a sensor, either that or they are limiting the signal to the gauge so it doesn't spike up.
