why does my Toyota RAV4 engine shake while idling

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a flat surface and engage the parking brake.
• Disconnect the negative battery terminal to ensure safety.

2. Inspect and Replace Engine Mounts

• Tools Required: Socket set, torque wrench, pry bar
• Instructions:
  1. Locate the engine mounts (typically found on the front and rear of the engine).
  2. Use a socket set to remove the bolts securing the engine mounts.
  3. Use a pry bar to lift the engine slightly if necessary.
  4. Remove the old engine mounts and replace them with new mounts.
  5. Reinstall the bolts and torque them to the manufacturer's specifications.

3. Check and Replace Spark Plugs

• Tools Required: Spark plug socket, torque wrench, gap gauge
• Instructions:
  1. Remove the engine cover if applicable.
  2. Disconnect the ignition coil connectors and remove the coils.
  3. Use a spark plug socket to remove the spark plugs.
  4. Check the gap on the new plugs and adjust if necessary.
  5. Install new spark plugs, tightening them to the specified torque.

4. Inspect and Clean Throttle Body

• Tools Required: Throttle body cleaner, soft cloth, screwdriver
• Instructions:
  1. Disconnect the throttle body electrical connector.
  2. Remove the air intake duct connected to the throttle body.
  3. Spray throttle body cleaner on the inside and wipe clean with a soft cloth.
  4. Reconnect all components and ensure everything is securely fastened.