Low oil pressure or a faulty sensor. First thing to do is to replace the oil filter with an AC/Delco filter. This is an excellent filter designed for your Cadillac. If that does not solve the problem, replace the oil pressure sending unit. If that does not do it, then an oil pressure test is in order, to determine if the oil pump is faulty.
try a heavier grade of oil it worked for me
The 1983 Cadillac Deville oil pressure sensor can be found on the side of the engine. The oil pressure sensor will be on the left-hand side of the engine.
The 1997 Cadillac Deville fuel pressure regulator can be found on top of the engine. The fuel pressure regulator will be near the fuel injector pump.
The 2003 Cadillac Deville oil pressure sending unit is located on the left-hand side of the engine. The oil pressure sending unit will be three inches above the oil pan.
No you can not
Atmospheric pressure
This care should be OBD 2. As such you will need an OBD2 scan tool. Just connect the code reader to the diagnosis port with the key on engine not running. Port should be located driver's side under edge of dash.
Its located under the hood, on the drivers side of the engine, right behind the oil filter 4.9L engine.
It is possible to repair the 1992 deville check engine light if it is malfunctioning.
Most likely the problem is with the Pressure Sensor in the engine block.
yes.
Sounds like a fan belt. Have it checked. or an sai motor
Could be rod bearings - not a good sign. This is a sign of pre-failure of the engine.