vent door
in my mouth
the promblem is the oil pump.
The LOW pressure fitting is SMALLER than the HIGH pressure fitting.
1999 Chevy table oil pressure gauge low and check gauges flickering
look for the port with the black cap on it, it's the low pressure port.
more than likely a bad oil sending unit but you need to get it checked out to make sure.
The low pressure valve on a 93 Chevy Corsica is under the hood. It is on the larger hose coming off the AC air compressor.
The low pressure sensor on a 2006 Hummer H2 is located on the top rear of the engine. It is behind the intake manifold.
under the carpet.
The check gauge light is on to notify you that one of the gauges is out of normal range. The vehicle may be over heating, low on oil pressure or not charging.
One of the causes for low oil pressure in a Chevy Tahoe could be a clogged or dirty oil filter. Changing the filter may get rid of the problem.