how to fix P0021 code in Genesis G70 IG (2017-2023)

Learn how to diagnose and fix P0021 camshaft timing issue in Genesis G70 (2017-2023). Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts needed.
• Disconnect the battery to ensure safety.
• Allow the engine to cool before starting work.

2. Change Engine Oil and Filter

• Sub-steps:
  1. Drain the old engine oil using a drain pan.
  2. Replace the oil filter with a new one.
  3. Refill the engine with the manufacturer-recommended oil type and quantity.
• Tools Required: Oil filter wrench, socket set, oil drain pan, funnel.
• Safety Warnings: Ensure the engine is cool before draining oil. Dispose of old oil and filter properly.

3. Replace VVT Solenoid

• Sub-steps:
  1. Locate the VVT solenoid on the engine.
  2. Disconnect the electrical connector from the solenoid.
  3. Remove the retaining bolts and take out the old solenoid.
  4. Install the new VVT solenoid and tighten the bolts to the manufacturer's torque specification.
  5. Reconnect the electrical connector.
• Tools Required: Socket set, torque wrench.
• Safety Warnings: Ensure the engine is off and cool before starting work.

4. Inspect and Adjust Timing Chain/Belt

• Sub-steps:
  1. Remove the timing cover to access the timing chain/belt.
  2. Inspect for any signs of wear, tension, or misalignment.
  3. If misaligned, realign the timing according to the manufacturer's specifications.
  4. Reinstall the timing cover securely.
• Tools Required: Socket set, torque wrench.
• Safety Warnings: Follow the manufacturer’s specifications for timing alignment.

5. Clear Codes and Test Drive

• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear the P0021 code.
  3. Take the vehicle for a test drive to ensure the issue is resolved.
• Tools Required: OBD-II scanner.