- Disconnect the cable from the negative terminal of the battery.
- Remove the power steering hydraulic fluid reservoir.
- Unscrew the high pressure line from the fuel injector of the first cylinder.
- Unscrew the oil pressure sensor and screw in a pressure gauge instead.
- Reinstall the power steering fluid reservoir and the cylinder 1 fuel injector high pressure line
- Connect the wire to the negative terminal of the battery.
- Start the engine and warm it up to a temperature of 80-100 FS.
- Check the engine oil pressure at engine speeds of 1000 and 3000 min-1 and compare the values obtained with those given in «Technical specifications».