2005 Nissan Pathfinder Q&A
2005 Nissan Pathfinder Question: oil gauge
You have two distinct problems. One is that either the oil pressure sending unit/gauge system is malfunctioning, or that the oil pressure relief valve in the oil pump is stuck and the pressure is not being controlled. If the gauge shows pegged pressure at idle, especially hot, my suspicion is that it's a faulty sending unit. Not a big problem.. If the oil pressure really is too high, it can damage the engine bearings or blow out the filter which could cause immediate engine failure. The best thing is to find out what the oil pressure really is by removing the sender and screwing in a mechanical test gauge. The second problem, the overheating at idle is probably caused by a faulty fan clutch which doesn't drive the cooling fan when the engine's hot. When the car's moving, the airflow will cool the radiator regardless of the fan clutch. The fan clutch should drive hard when the engine's hot and be fairly freewheeling when the engine's cold. DON'T hurt yourself by sticking your finger into the fan to check the drive when it's rotating. Here's a directory link for you: http://repairpal.com/directory?address=85024&car_brand_names=Nissan - Superbob
this is a 3.3,6cyl.,4 wheel drive model. the oil dip stick has a tip on it approx. one and a half inches long which allows to read the oil level. the tip has detached and i assume is in the oil pan...
My oil pressure gauge went up to high, iI let the car cool off until the next day. I did not drive it at all but when I check it the next morning the oil pressure gauge went up.
when ignition is turned and car is running the oil guage needle goes up as far as it can go and stays there while engine is running.