how to fix Honda Civic 11th Generation (2022-Present) that shudders during acceleration

Solution

1. Preparation

• Tools Required: OBD-II scanner, socket set, multimeter, transmission fluid dipstick.
• Ensure the vehicle is parked on a flat surface and the engine is turned off. Disconnect the battery for safety.

2. Change Engine Oil

• Sub-steps:
  1. Remove the oil drain plug using a socket wrench and allow old oil to drain completely.
  2. Replace the oil filter with a new one.
  3. Install the drain plug and torque it to the manufacturer’s specifications (typically around 20 lb-ft).
  4. Refill the engine with the recommended oil type and quantity (consult owner's manual).

3. Transmission Fluid Check and Change (if necessary)

• Sub-steps:
  1. Use a dipstick to check the transmission fluid level; add fluid if low.
  2. If the fluid is dirty or burnt, drain the old fluid using the transmission drain plug.
  3. Replace the transmission filter if applicable.
  4. Refill the transmission with the correct type of fluid as per manufacturer's specifications.

4. Inspect and Replace Engine and Transmission Mounts (if damaged)

• Sub-steps:
  1. Using a jack, support the engine to relieve stress on the mounts.
  2. Remove the bolts securing the damaged mount using a socket set.
  3. Replace with new mounts and torque the bolts to the manufacturer’s specifications.
  4. Remove the jack and check for proper alignment.

5. Test Throttle Position Sensor

• Sub-steps:
  1. Disconnect the TPS connector.
  2. Use a multimeter to measure the voltage output while slowly opening and closing the throttle.
  3. If readings are outside of manufacturer specifications, replace the TPS.