Checking oil pressure (Mazda Familia BF)

Unscrew the oil pressure sensor, having first disconnected the block from it, and screw the pressure gauge hose fitting into the socket.

Start and warm up the engine.

Measure the oil pressure in the system, which at a crankshaft speed of 3000 rpm should be within 3.5-4.5 kg/cm².

Disconnect the pressure gauge and reinstall the oil pressure sensor.

Connect the oil pressure sensor connector.