how to fix a faulty mass airflow sensor in Volkswagen Golf MK7.5 (2020-Present)

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, torque wrench, cleaning spray for electronic components.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Allow the engine to cool down before starting work.

2. Remove the MAF Sensor

• Locate the MAF sensor, which is typically found in the air intake duct between the air filter and throttle body.
• Use a socket set to remove any screws or bolts securing the MAF sensor to the intake duct.
• Carefully disconnect the electrical connector from the MAF sensor by pressing the tab and pulling it out.

3. Inspect and Clean

• Inspect the MAF sensor for any signs of damage or contamination.
• If cleaning is necessary, use an appropriate electronic cleaner spray. Spray directly onto the sensor elements without touching them.
• Allow the sensor to dry completely before reinstallation.

4. Install New MAF Sensor (if applicable)

• If the MAF sensor is damaged, replace it with a new one.
• Align the new MAF sensor with the intake duct and secure it using the original screws or bolts.
• Reconnect the electrical connector until it clicks into place.

5. Reconnect Battery and Test

• Reconnect the negative battery terminal.
• Start the engine and check for any error codes using the OBD-II scanner.
• Allow the vehicle to warm up and monitor the engine performance for smooth operation.