my Toyota RAV4 XA40 (2013-2018) has low fuel economy, what can I do

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a flat surface.
• Disconnect the battery to ensure safety during electrical inspections.

2. Replace Air Filter

• Remove the clips or screws holding the air filter housing cover.
• Take out the old air filter and clean the housing with a vacuum.
• Install the new air filter, ensuring it fits snugly in place.
• Reattach the housing cover and secure it with clips or screws.

3. Fuel System Inspection

• Locate the fuel filter; remove it using the appropriate socket or wrench.
• Inspect the old fuel filter for clogs; replace it if necessary.
• Use a fuel pressure gauge to check the fuel pump's pressure and functionality.
• Inspect fuel injectors for blockages or leaks; clean or replace them as needed.

4. Replace Spark Plugs

• Remove the ignition coils by unscrewing the bolts and pulling them out gently.
• Use a spark plug socket to remove the old spark plugs.
• Install new spark plugs with the correct gap and torque them to manufacturer specifications (usually around 13-15 lb-ft).
• Reinstall the ignition coils securely.

5. Engine Oil Change

• Drain the old engine oil using a wrench to remove the oil pan bolt; replace it afterward.
• Replace the oil filter using an oil filter wrench.
• Refill the engine with the manufacturer-recommended oil type (typically 0W-20 or 5W-20).
• Start the engine and let it run for a few minutes, checking for leaks.