P1051 2005 Infiniti G35 Code - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
Quick Answer
The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F sensor 1 element at the specified range. Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection. 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
- P1051 2005 Infiniti G35 indicates Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2.
- Common causes
- Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection.
- 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.
Code P1051 2005 Infiniti G35 Description
What are the Possible Causes of the DTC P1051 2005 Infiniti G35?
- Faulty Air Fuel Ratio Sensor 1 Bank 2
- Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
- Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection
How to Fix the DTC P1051 2005 Infiniti G35?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
2005 Infiniti G35 Factory Service Bulletin OBDII Code P1051
The bulletin suggests reprogramming the Engine Control Module (ECM) first before replacing any parts.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1051 2005 Infiniti G35 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Need Help with the Code?
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Frequently Asked Questions about P1051 2005 Infiniti G35 Code
1. What are the common symptoms of OBDII code P1051 on a 2005 Infiniti G35?
- Common symptoms include poor fuel economy, rough idling, and a noticeable decrease in engine performance.
2. What could cause the OBDII code P1051 on a 2005 Infiniti G35?
- The code P1051 typically indicates a malfunction in the Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2, which could be caused by a faulty sensor, wiring issues, or a blown fuse.
3. How can I diagnose the issue causing OBDII code P1051 on my 2005 Infiniti G35?
- To diagnose the problem, you can use an OBDII scanner to retrieve the code and then inspect the wiring, sensor connections, and fuse related to the Air Fuel Ratio Sensor 1 Heater Control Circuit on Bank 2.
4. Is it safe to continue driving my 2005 Infiniti G35 with OBDII code P1051?
- It is not recommended to continue driving with the code P1051, as it can lead to poor engine performance and potential damage if left unresolved.
5. How can I repair OBDII code P1051 on my 2005 Infiniti G35?
- Repairing the code P1051 may involve replacing the Air Fuel Ratio Sensor 1 on Bank 2, repairing any damaged wiring, or addressing any blown fuses related to the heater control circuit.
6. Can I fix OBDII code P1051 on my 2005 Infiniti G35 myself?
- While some DIY enthusiasts may be able to address the issue themselves by replacing the sensor or fixing wiring problems, it is recommended to consult a professional mechanic for an accurate diagnosis and repair.
7. Are there any tips to prevent OBDII code P1051 from appearing on my 2005 Infiniti G35?
- To prevent the code P1051 from appearing, it is essential to perform regular maintenance on your vehicle, including checking the health of the sensors and electrical components.
8. Will clearing the OBDII code P1051 on my 2005 Infiniti G35 make the issue go away?
- Clearing the code may temporarily remove the warning light, but it will not fix the underlying issue causing the code to trigger. It is crucial to diagnose and repair the problem to prevent future occurrences.
9. How much does it typically cost to repair OBDII code P1051 on a 2005 Infiniti G35?
- The cost of repairing the code P1051 can vary depending on the root cause of the issue, but it may range from $200 to $500, including parts and labor.
10. Can OBDII code P1051 on a 2005 Infiniti G35 cause permanent damage if left untreated?
- Leaving the code P1051 untreated can potentially lead to permanent damage to the engine and emission control system, affecting the overall performance and efficiency of the vehicle.
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