P0152 2005 Infiniti G35 Code - Air Fuel Ratio Circuit High Bank 2 Sensor 1
Quick Answer
The Air Fuel Ratio (A/F) sensor is a planar dual-cell limit current sensor. Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Intake air leaks may be faulty, Exhaust gas leaks. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0152 2005 Infiniti G35 indicates Air Fuel Ratio Circuit High Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty Front Heated Oxygen Sensor Bank 2, Intake air leaks may be faulty, Exhaust gas leaks.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0152 2005 Infiniti G35 Description
The sensor is capable of precise measurement λ= 1, but also in the lean and rich range. Together with its control electronics, the sensor outputs a clear, continuous signal throughout a wide range (0.7 < λ < air).
The exhaust gas components diffuse through the diffusion gap at the electrode of the oxygen pump and Nernst concentration cell, where they are brought to thermodynamic balance. An electronic circuit controls the pump current through the oxygen pump cell so that the composition of the exhaust gas in the diffusion gap remains constant at λ = 1. Therefore, the A/F sensor is able to indicate air/fuel ratio by this pumping of current. In addition, a heater is integrated in the sensor to ensure the required operating temperature of 700 - 800°C (1,292 - 1,472°F).
What are the Possible Causes of the DTC P0152 2005 Infiniti G35?
- Faulty Front Heated Oxygen Sensor Bank 2
- Intake air leaks may be faulty
- Exhaust gas leaks
- Front Heated Oxygen Sensor Bank 2 harness is open or shorted
- Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
How to Fix the DTC P0152 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
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0152 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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Frequently Asked Questions about P0152 2005 Infiniti G35 Code
1. What does the OBDII code P0152 for a 2005 Infiniti G35 mean?
- The code P0152 indicates a problem with the Air Fuel Ratio Circuit High Bank 2 Sensor 1, specifically relating to the oxygen sensor located before the catalytic converter on bank 2 of the engine.
2. What are common symptoms of a P0152 code in a 2005 Infiniti G35?
- Common symptoms include poor fuel economy, rough idling, engine misfires, a decrease in power and acceleration, and the illumination of the Check Engine light.
3. What are possible causes of a P0152 code in a 2005 Infiniti G35?
- Potential causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, vacuum leaks, or issues with the engine's air-fuel mixture.
4. How can I diagnose a P0152 code in my 2005 Infiniti G35?
- Diagnosis typically involves using an OBDII scanner to read the code, performing a visual inspection of the oxygen sensor and its wiring, testing the sensor's voltage output, and checking for any exhaust or vacuum leaks.
5. Can I still drive my 2005 Infiniti G35 with a P0152 code?
- It is not recommended to continue driving with a P0152 code as it can lead to further damage to the engine and emissions system. It is advisable to have the issue diagnosed and repaired promptly.
6. How can I repair a P0152 code in a 2005 Infiniti G35?
- Repair options may include replacing the bank 2 sensor 1 oxygen sensor, repairing or replacing damaged wiring or connectors, fixing any exhaust or vacuum leaks, and clearing the code with an OBDII scanner.
7. Is it necessary to reset the ECU after repairing a P0152 code in a 2005 Infiniti G35?
- Yes, it is recommended to reset the Engine Control Unit (ECU) after repairing a P0152 code to clear the stored fault code and ensure proper functioning of the system.
8. How much does it cost to fix a P0152 code in a 2005 Infiniti G35?
- The cost of fixing a P0152 code can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor, excluding any additional repairs that may be needed.
9. Can a DIY enthusiast repair a P0152 code in a 2005 Infiniti G35?
- While some experienced DIY enthusiasts may be able to replace the oxygen sensor or repair wiring themselves, diagnosing and fixing more complex issues related to a P0152 code may require professional expertise.
10. How often does a P0152 code occur in a 2005 Infiniti G35?
- The occurrence of a P0152 code can vary depending on factors such as driving conditions, maintenance history, and the overall health of the vehicle's emission system. Regular maintenance can help prevent such issues.
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