why does my Toyota RAV4 hesitate when I accelerate

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Clean or Replace Air Filter

• Remove the air filter housing cover.
• Take out the air filter and inspect it; clean or replace if necessary.
• Reassemble the air filter housing cover.

3. Fuel System Inspection

• Locate the fuel pressure test port on the fuel rail.
• Attach the fuel pressure gauge to the port.
• Start the engine and check if the fuel pressure meets the specifications (consult repair manual).
• If low, replace the fuel pump or filter as needed.

4. Inspect and Replace Spark Plugs/Coils

• Remove the ignition coil cover (if applicable).
• Disconnect the ignition coil connectors and unscrew the coils.
• Remove the spark plugs using a spark plug socket.
• Inspect the spark plugs for wear; replace if necessary.
• Reinstall new spark plugs and ignition coils.

5. Throttle Body Cleaning

• Locate the throttle body and remove the intake air duct.
• Use throttle body cleaner and a soft cloth to clean the throttle body and the butterfly valve.
• Reassemble the intake air duct.

6. MAF Sensor Cleaning

• Disconnect the MAF sensor connector and remove the sensor from the intake.
• Spray MAF cleaner on the sensor elements, avoiding physical contact.
• Reinstall the sensor and reconnect the connector.