my Tesla Model 3 Highland (2024-present) shows P0171 code what does this mean

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the negative terminal of the battery for safety.

2. Inspect and Repair Air Intake System

• Tools Required: Socket set, screwdrivers, vacuum gauge, MAF cleaner
• Remove the engine cover and air intake duct.
• Visually inspect for any visible cracks or loose connections.
• Use a vacuum gauge to check for leaks in the intake system.
• If leaks are found, replace damaged hoses or components.

3. Check and Clean MAF Sensor

• Tools Required: MAF sensor cleaner
• Locate the MAF sensor in the air intake system.
• Disconnect the electrical connector and remove the MAF sensor.
• Clean the sensor with MAF cleaner according to manufacturer's instructions.
• Reinstall the MAF sensor and reconnect the electrical connector.

4. Inspect Fuel System

• Tools Required: Fuel pressure gauge
• Check fuel pressure at the fuel rail using a fuel pressure gauge.
• If the pressure is low, inspect the fuel pump and filter for issues.
• Replace the fuel filter if it is clogged or dirty.

5. Check Vacuum Hoses

• Inspect all vacuum hoses connected to the engine for cracks or disconnections.
• Replace any damaged or worn hoses.

6. Reconnect Battery and Clear Codes

• Reconnect the negative terminal of the battery.
• Use the OBD-II scanner to clear the P0171 code.
• Start the engine and allow it to reach operating temperature.