why does my Genesis G70 have a rough idle when in gear?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to ensure safety while working on electrical components.

2. Inspect and Replace Spark Plugs

• Sub-steps:
  1. Remove the ignition coil cover (if applicable) to access the spark plugs.
  2. Use a spark plug socket to remove the spark plugs.
  3. Inspect the spark plugs for wear or carbon buildup; replace with OEM or equivalent parts if necessary.
  4. Torque the new spark plugs to the manufacturer’s specifications (typically around 13-15 lb-ft).
  5. Reinstall the ignition coils and cover.

3. Clean the Throttle Body

• Sub-steps:
  1. Remove the air intake duct connected to the throttle body.
  2. Use throttle body cleaner and a clean rag to wipe down the throttle plate and inner surfaces.
  3. Ensure the throttle plate moves freely and is not sticking.
  4. Reconnect the air intake duct securely.

4. Inspect and Replace Engine Air Filter

• Sub-steps:
  1. Locate the air filter housing and unclip it.
  2. Remove the old air filter and check for dirt and debris.
  3. Install a new air filter, ensuring it fits snugly.
  4. Re-secure the housing clips.

5. Check Engine Mounts

• Sub-steps:
  1. Visually inspect engine mounts for cracks or excessive wear.
  2. Replace any damaged engine mounts with new ones, ensuring proper alignment.
  3. Torque mount bolts to specifications provided in the service manual.