why does my Acura MDX YF3 (2022-Present) hesitate when accelerating

Solution

1. Preparation

• Gather necessary tools and parts before beginning repairs.
• Ensure the vehicle is parked on a level surface and the engine is off.
• Disconnect the battery to prevent electrical shorts.

2. Clean or Replace Throttle Body

• Sub-steps:
  1. Remove the air intake duct connected to the throttle body.
  2. Use throttle body cleaner and a soft cloth to clean the interior of the throttle body.
  3. Reattach the air intake duct securely.

Tools Required: Throttle body cleaner, soft cloth, socket set.

3. Check and Replace Fuel Filter

• Sub-steps:
  1. Locate the fuel filter; it may be integrated within the fuel pump assembly.
  2. Relieve fuel system pressure by removing the fuel pump relay and starting the engine until it stalls.
  3. Disconnect the fuel lines from the filter (use caution as fuel may spill).
  4. Install the new fuel filter, ensuring all connections are tight.

Tools Required: Wrench set, safety goggles.

4. Inspect and Replace Spark Plugs

• Sub-steps:
  1. Remove the engine cover if necessary to access the spark plugs.
  2. Use a spark plug socket to remove old spark plugs.
  3. Inspect the old plugs for wear; replace with OEM specifications plugs if needed.
  4. Torque the new spark plugs to the manufacturer's specifications.

Tools Required: Spark plug socket, torque wrench.

5. Clean or Replace Mass Airflow Sensor

• Sub-steps:
  1. Locate the MAF sensor, usually found between the air filter and throttle body.
  2. Disconnect the electrical connector and remove the sensor from the air duct.
  3. Clean the sensor using MAF cleaner; do not touch the sensor elements.
  4. Reinstall the MAF sensor and reconnect the electrical connector.

Tools Required: MAF cleaner, screwdriver set.