my Skoda Octavia NFL (2020-Present) has weak acceleration, what's causing it?

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, fuel pressure gauge, multimeter, torque wrench, cleaning supplies, and safety goggles.
• Safety Warnings: Disconnect the battery before working on electrical systems. Allow the engine to cool before opening the air intake or fuel system.

2. Inspect and Replace Air Filter

• 1.1 Open the hood and locate the air filter housing.
• 1.2 Remove the screws or clips securing the air filter housing.
• 1.3 Take out the old air filter and inspect it for dirt and damage.
• 1.4 Install a new air filter, ensuring it fits snugly in the housing.
• 1.5 Re-secure the air filter housing.

3. Check and Replace Fuel Pump (if necessary)

• 3.1 Use a fuel pressure gauge to check the fuel pressure at the engine.
• 3.2 If the pressure is below specifications, locate the fuel pump in the fuel tank.
• 3.3 Disconnect the battery and relieve fuel system pressure.
• 3.4 Remove the fuel pump assembly from the tank.
• 3.5 Replace the fuel pump with a new unit, ensuring proper alignment and sealing.
• 3.6 Reinstall the assembly and reconnect the battery.

4. Inspect and Replace Spark Plugs

• 4.1 Disconnect the ignition coil connectors and remove the ignition coils.
• 4.2 Use a spark plug socket to remove the spark plugs.
• 4.3 Inspect the spark plugs for wear and carbon buildup.
• 4.4 Install new spark plugs with the correct gap specification.
• 4.5 Reinstall the ignition coils and connectors.

5. Clean Throttle Body

• 5.1 Disconnect the intake duct from the throttle body.
• 5.2 Use a throttle body cleaner to spray inside the throttle body.
• 5.3 Use a clean cloth or a soft brush to gently scrub away carbon deposits.
• 5.4 Reconnect the intake duct securely.