Question

Where is the EOP circuit located on a 2000 Chevrolet Malibu?

Answer 1

Do you have an OBDII code?

Comments

Yes code p1189 has come up

Answer 2

P1189 CHEVROLET - Engine Oil Pressure (EOP) Switch Circuit

Read more: https://www.autocodes.com/p1189_chevrolet.html

The code means that there is a problem with the electrical circuit (wire) from the sensor to the Engine Control Module (ECM). Either the wire is broke or you have a bad oil pressure sensor.