The sending unit is kind of hard to get to. I have a 94 2wd 4.3L v-6 and its under the hood on the back of the motor behind the distributor cap.
If that S10 has a 4.3 engine, I find it best to remove the distributor to gain better access to the oil pressure sensor.
it is under the distributor.
Right by your oil filter
It is about 3 inches long with an electrical connector on the end of it. It is back by the right hand side of the distributor. Hard to see.
If it is a 1997 S10 4.3, with the engine running, remove the fuel pump relay, if the engines stops running, the oil pressure sensor is bad.
I`m not sure if the swith is the same on a 2000 S10 but the 93`s have it mounted to the oil filter housing.I you.
The normal oil pressure on a 2002 Chevy S10 V6 is around 40 PSI. This will vary slightly depending on the temperature of the engine. Hot at idle in drive, 20 psi is also normal.
The 1994 S10 uses a MAP sensor, not a MAF sensor. We need to know size engine you have in that S10.
At the rearmost section of the engine to the right of the distributor.
antifreeze leaks by the intake gasket into oil. deteriating bearings causing oil to leak by the bearing
Hot at idle, 20-30 psi.
knock sensor