why is the oil pressure light on in my Volkswagen Golf Eighth Generation (2020-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is on a flat surface and secure it with wheel chocks.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Check and Top Off Engine Oil

• Remove the oil filler cap.
• Using a funnel, add the appropriate type of oil if the level is low.
• Replace the oil filler cap securely.

3. Inspect and Replace Oil Pressure Sending Unit (if faulty)

• Locate the oil pressure sending unit, typically near the oil filter or at the engine block.
• Disconnect the electrical connector from the sending unit.
• Remove the sending unit using a socket wrench (usually 24mm socket).
• Install the new sending unit and torque to the manufacturer's specification (usually around 15 lb-ft).
• Reconnect the electrical connector.

4. Inspect and Replace Oil Pump (if necessary)

• Drain the engine oil and remove the oil pan by unbolting it from the engine.
• Remove the oil pump from the engine, noting the orientation of the pump.
• Install the new oil pump, ensuring it is aligned correctly.
• Reinstall the oil pan with a new gasket and torque to specifications.
• Refill the engine with the correct type and amount of oil.

5. Reconnect Battery and Test

• Reconnect the negative battery terminal.
• Start the engine and monitor the oil pressure light.
• Allow the engine to reach operating temperature and check for any leaks.