what does it mean if my Toyota Corolla E140 (2006-2013) has a check engine light and P0011 code

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety.
• Raise the vehicle if needed, using jack stands for support.

2. Change Engine Oil

• Sub-steps:
  1. Remove the oil drain plug and drain the old oil into a suitable container.
  2. Replace the oil filter using an oil filter wrench.
  3. Install the drain plug and tighten it to the manufacturer's torque specifications (typically around 30 ft-lbs).
  4. Refill the engine with the correct type and amount of oil (typically 5W-20 or 0W-20 for this model).

3. Replace VVT Oil Control Valve

• Sub-steps:
  1. Locate the VVT oil control valve on the engine.
  2. Disconnect the electrical connector and remove the mounting bolts using a socket set.
  3. Remove the old valve and replace it with a new one, ensuring the gasket is properly seated.
  4. Reattach the electrical connector and torque the mounting bolts to the specified value.

4. Reset the Engine Control Module (ECM)

• Sub-steps:
  1. Reconnect the battery.
  2. Use an OBD-II scanner to clear the P0011 code from the system.