P0021 Lexus Code - Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 2
Quick Answer
The P0021 diagnostic trouble code for Lexus vehicles indicates that the camshaft position 'A' timing is over-advanced or there is a performance issue in bank 2. Common causes include Faulty camshaft position sensor, Timing chain or belt issues, Problems with the VVT system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0021 Lexus indicates Camshaft Position 'A' Timing Over-Advanced or System Performance Bank 2.
- Common causes
- Common causes include Faulty camshaft position sensor, Timing chain or belt issues, Problems with the VVT system.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0021 Lexus Description
The P0021 diagnostic trouble code for Lexus vehicles indicates that the camshaft position 'A' timing is over-advanced or there is a performance issue in bank 2. This code typically means that the camshaft timing is not synchronized properly with the crankshaft in bank 2 of the engine. The camshaft plays a crucial role in the operation of the engine, as it controls the opening and closing of the engine's valves. If the camshaft timing is off, it can lead to a host of performance issues and potentially cause long-term damage to the engine.
Common Causes of P0021 Lexus
- Faulty camshaft position sensor
- Timing chain or belt issues
- Problems with the VVT system
- Issues with the engine's computer system
- Low engine oil levels or poor quality oil
Symptoms of P0021 Lexus
- Engine misfires
- Rough idling or stalling
- Reduced fuel efficiency
- Check Engine Light illuminated
- Loss of power or acceleration
How to Fix P0021 Lexus
- Diagnose the issue using a scan tool to verify the P0021 code and determine the exact cause of the problem.
- Inspect the camshaft position sensor and wiring for any damage or malfunction. Replace if necessary.
- Check the timing chain or belt for proper alignment and tension. Adjust or replace as needed.
- Inspect the VVT system components for any faults or issues. Clean or replace as necessary.
- Clear the trouble code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0021 Lexus
The typical repair costs for addressing a P0021 code in a Lexus vehicle can range from $200 to $800, depending on the exact cause of the issue and the parts needed for the repair. This estimate includes both parts and labor. It is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It is advisable to check local rates for a more accurate estimate.
Tech Notes for P0021 Lexus
When is the Code Detected?
Need more information about the P0021 Lexus code?
Need more information on how to fix the P0021 Lexus code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0021 Lexus code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0021 Lexus Code
No Frequently Asked Questions about P0021 Lexus Code found.
Discuss the causes and fixes for P0021 Lexus OBDII Code
Code P0021 Lexus comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.