why does my Toyota Camry Eighth Generation (2018-present) engine hesitate when accelerating

Solution

1. Preparation

• Disconnect the negative battery terminal to ensure safety while working on the vehicle.
• Gather tools and parts needed for the repair.

2. Fuel System Repair

• Step 1: Remove the fuel pump relay from the fuse box.
• Step 2: Relieve fuel pressure by starting the engine and allowing it to stall.
• Step 3: Disconnect the fuel lines from the fuel injectors and the fuel rail.
• Step 4: Replace the fuel filter if it is clogged.
• Step 5: Reconnect the fuel lines and install the fuel pump relay back into the fuse box.

3. Ignition System Repair

• Step 1: Remove the engine cover (if applicable) to access the ignition coils.
• Step 2: Disconnect the electrical connectors from each ignition coil.
• Step 3: Remove the ignition coils using a socket set.
• Step 4: Inspect and replace spark plugs if they show signs of wear or fouling.
• Step 5: Reinstall the ignition coils and reconnect electrical connectors.

4. Air Intake System Cleaning

• Step 1: Remove the air filter and inspect for dirt or blockage; replace if necessary.
• Step 2: Disconnect the intake hose from the throttle body.
• Step 3: Use throttle body cleaner to remove carbon buildup from the throttle body.
• Step 4: Reattach the intake hose and air filter.

5. Mass Airflow Sensor Cleaning

• Step 1: Locate the MAF sensor between the air filter and throttle body.
• Step 2: Disconnect the electrical connector and remove the MAF sensor from the intake.
• Step 3: Clean the MAF sensor with MAF cleaner spray; do not touch the sensor elements.
• Step 4: Reinstall the MAF sensor and reconnect the electrical connector.