my Toyota Camry XV40 (2007-2011) has poor acceleration what could be wrong

Solution

1. Preparation

• Gather necessary tools and parts before starting the repair.
• Disconnect the battery to ensure safety while working on the electrical system.
• Allow the engine to cool down if it has been running.

2. Inspect and Replace Air Filter

• Sub-steps:
  • Locate the air filter housing.
  • Remove the clips or screws securing the air filter cover.
  • Take out the old air filter and inspect for dirt or damage.
  • Install a new, clean air filter according to the manufacturer's specifications.
• Tools Required: Flathead screwdriver or socket set (if applicable).

3. Clean the Throttle Body

• Sub-steps:
  • Remove the air intake duct connected to the throttle body.
  • Use throttle body cleaner and a soft cloth to clean the throttle plate and inside the throttle body.
  • Reassemble the air intake duct securely.
• Tools Required: Throttle body cleaner, soft cloth, and possibly a socket set.

4. Replace Spark Plugs

• Sub-steps:
  • Remove the ignition coil or spark plug wires to access the spark plugs.
  • Use a spark plug socket to remove the old spark plugs.
  • Check the gap on the new spark plugs and install them to the specified torque (typically 13-16 ft-lbs).
  • Reconnect the ignition coils or spark plug wires.
• Tools Required: Spark plug socket, torque wrench.

5. Fuel System Check

• Sub-steps:
  • If fuel pressure is low, replace the fuel filter if applicable.
  • Inspect the fuel injectors for clogs or malfunction; consider using a fuel injector cleaning solution.
  • Reconnect all components securely and ensure no leaks are present.
• Tools Required: Fuel pressure gauge, fuel injector cleaner.