my Skoda Octavia NFL (2020-Present) has poor acceleration, what should I check?

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative terminal of the battery for safety.
• Ensure the vehicle is on a level surface and secure with wheel chocks.

2. Inspect Air Intake System

• Remove the air filter cover and inspect the air filter for dirt and blockage.
• Replace the air filter if it appears dirty or damaged.
• Check intake hoses for cracks or loose connections; replace any faulty components.

3. Check Fuel Pressure

• Locate the fuel pressure test port on the fuel rail.
• Connect the fuel pressure gauge and turn the ignition to the 'on' position without starting the engine.
• Verify that the fuel pressure meets manufacturer specifications (typically between 50-60 psi for the Octavia).
• If pressure is low, inspect the fuel pump and fuel filter for issues, replacing as necessary.

4. Inspect Ignition System

• Remove spark plugs and check for wear, cracks, or carbon buildup; replace if necessary.
• Test ignition coils using a multimeter to ensure they are within specifications.
• Replace any faulty ignition coils.

5. Check Throttle Body

• Remove the throttle body from the intake manifold.
• Clean the throttle body using throttle body cleaner and a soft brush.
• Inspect the throttle position sensor (TPS) for proper operation and replace if defective.

6. Exhaust System Inspection

• Visually inspect the exhaust system for any visible blockages or damage.
• If a clogged catalytic converter is suspected, perform a backpressure test.
• Replace the catalytic converter if backpressure exceeds manufacturer specifications.