P1351 Lexus Code - Variable Valve Timing Sensor Range/Performance Problem Bank 2
Quick Answer
The P1351 code for a Lexus indicates a Variable Valve Timing (VVT) sensor range/performance problem in Bank 2. Common causes include Faulty VVT sensor, Damaged sensor wiring or connections, ECM communication issues. 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
- P1351 Lexus indicates Variable Valve Timing Sensor Range/Performance Problem Bank 2.
- Common causes
- Common causes include Faulty VVT sensor, Damaged sensor wiring or connections, ECM communication issues.
- 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.
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Code P1351 Lexus Description
The P1351 code for a Lexus indicates a Variable Valve Timing (VVT) sensor range/performance problem in Bank 2. This means that there is an issue with the sensor responsible for monitoring and controlling the VVT system on the second bank of the engine. The VVT system plays a crucial role in optimizing engine performance, fuel efficiency, and emissions by adjusting the timing of the intake and exhaust valves based on driving conditions.
Common Causes of P1351 Lexus
- Faulty VVT sensor
- Damaged sensor wiring or connections
- ECM communication issues
- Engine oil contamination or sludge affecting sensor performance
- Incorrect VVT system operation due to mechanical issues
Symptoms of P1351 Lexus
- Rough idling or engine misfires
- Decreased fuel efficiency
- Reduced power output
- Engine stalling
- Illumination of the Check Engine Light
How to Fix P1351 Lexus
- Diagnose the specific cause of the P1351 code using a diagnostic scanner to identify the faulty VVT sensor or related issues.
- Inspect the sensor wiring and connections for any damage or corrosion, repairing or replacing as necessary.
- Test the VVT sensor's operation using a multimeter to ensure it is sending accurate signals to the ECM.
- Replace the faulty VVT sensor if it is determined to be the root cause of the code, ensuring proper installation and calibration.
- Clear the error codes and reset the ECM to allow the VVT system to operate correctly and verify that the issue has been resolved through a test drive.
Cost to Fix P1351 Lexus
The typical repair costs for addressing a P1351 code in a Lexus can vary depending on the specific cause of the issue. In general, replacing a faulty VVT sensor can range from $150 to $300, including both parts and labor. Additional diagnostic time and potential wiring repairs may increase the overall cost. It is recommended to consult with a trusted auto repair shop for a more accurate estimate based on your vehicle's make and model, as well as local labor rates.
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Frequently Asked Questions about P1351 Lexus Code
What does the OBDII code P1351 mean on a Lexus?
P1351 indicates a Variable Valve Timing (VVT) Sensor Range/Performance Problem on Bank 2, meaning the VVT system is not functioning as expected on the bank of cylinders opposite Bank 1.
What are common symptoms of the P1351 code on a Lexus?
Common symptoms include reduced engine performance, rough idling, poor fuel efficiency, difficulty starting, and the check engine light being illuminated.
What causes the P1351 code on a Lexus?
Possible causes include a faulty VVT sensor, wiring issues, a malfunctioning VVT solenoid, timing chain problems, or contaminated engine oil affecting VVT operation.
Can dirty engine oil cause the P1351 code on a Lexus?
Yes, dirty or low engine oil can disrupt the VVT system's operation, potentially triggering the P1351 code.
How do I diagnose the P1351 code on a Lexus?
Diagnosis typically involves inspecting the VVT sensor and solenoid, checking the wiring and connectors, verifying the timing chain alignment, and ensuring proper oil condition and level.
Is it safe to drive with the P1351 code on a Lexus?
Driving with the P1351 code may cause further engine damage or performance issues. It’s best to address the problem promptly to avoid complications.
How do I fix the P1351 code on a Lexus?
Repairs may include replacing the VVT sensor, cleaning or replacing the VVT solenoid, fixing wiring issues, changing the engine oil, or addressing timing chain problems.
Can the P1351 code be reset without repairing the issue?
While you can clear the code with an OBDII scanner, it will likely return if the underlying issue isn’t resolved.
What tools do I need to fix the P1351 code on a Lexus?
Tools may include an OBDII scanner, multimeter for electrical checks, basic hand tools for removal and installation, and possibly a timing chain inspection kit.
When should I consult a mechanic for the P1351 code on a Lexus?
If the issue persists after basic troubleshooting or involves complex repairs like timing chain adjustments, consulting a professional mechanic is recommended.
Discuss the causes and fixes for P1351 Lexus OBDII Code
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2000 lexus changed timing belt, water pump. drove approx.. 20 miles and check engine light came on, w/ 2 codes. p1346 and p1351. reset and within 10 mi. light back on. any help?
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