P1147 2005 Infiniti G35 Code - Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1
Quick Answer
The Heated Oxygen Sensor 2 (HO2S) (Rear O2 Sensor), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty heated oxygen (O2) sensor 2 (rear), Intake air leaks, Heated oxygen (O2) sensor 2 (rear) harness is open or shorted. 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
- P1147 2005 Infiniti G35 indicates Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1.
- Common causes
- Common causes include Faulty heated oxygen (O2) sensor 2 (rear), Intake air leaks, Heated oxygen (O2) sensor 2 (rear) harness is open or shorted.
- 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 P1147 2005 Infiniti G35 Description
What are the Possible Causes of the DTC P1147 2005 Infiniti G35?
- Faulty heated oxygen (O2) sensor 2 (rear)
- Intake air leaks
- Heated oxygen (O2) sensor 2 (rear) harness is open or shorted
- Heated oxygen (O2) sensor 2 (rear) circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
How to Fix the DTC P1147 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1147 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 P1147 2005 Infiniti G35 Code
1. What does OBDII code P1147 on a 2005 Infiniti G35 mean?
This code, "Heated Oxygen Sensor 2 Maximum Voltage Monitoring Bank 1," indicates an issue with the maximum voltage being detected by the second oxygen sensor in the exhaust system of bank 1.
2. What are the common symptoms of OBDII code P1147 on a 2005 Infiniti G35?
Common symptoms include poor fuel economy, a decrease in engine performance, rough idling, and potential issues with emissions testing.
3. What are the possible causes of OBDII code P1147 on a 2005 Infiniti G35?
Potential causes may include a faulty oxygen sensor, damaged wiring or connectors related to the sensor, an exhaust leak, or an issue with the engine's fuel system.
4. How can I diagnose the OBDII code P1147 on a 2005 Infiniti G35?
Diagnosis typically involves using an OBDII scanner to read the code, inspecting the oxygen sensor and related components for damage, checking for exhaust leaks, and testing the sensor's voltage output.
5. Can I still drive my 2005 Infiniti G35 with OBDII code P1147?
It is generally not recommended to drive the vehicle with this code present, as it can lead to further damage and potential safety hazards. It's best to address the issue promptly.
6. How can I repair OBDII code P1147 on a 2005 Infiniti G35?
Repair options may include replacing the faulty oxygen sensor, repairing or replacing damaged wiring or connectors, fixing any exhaust leaks, and ensuring the fuel system is functioning properly.
7. Is it safe to reset the OBDII code P1147 on a 2005 Infiniti G35 using an OBDII scanner?
Resetting the code may temporarily turn off the check engine light, but it's important to address the underlying issue causing the code to prevent further problems. Always investigate and fix the root cause of the code.
8. How much does it cost to repair OBDII code P1147 on a 2005 Infiniti G35?
The cost of repair can vary depending on the specific issue causing the code, the parts needed, and whether you perform the repairs yourself or take the vehicle to a professional mechanic. It's best to get a diagnostic and estimate for an accurate cost.
9. Can a DIY enthusiast fix OBDII code P1147 on a 2005 Infiniti G35?
Depending on your mechanical skills and access to tools, some DIY enthusiasts may be able to address the issue causing the code. However, if you're unsure or inexperienced, it's recommended to seek professional help to avoid further complications.
10. How often does OBDII code P1147 occur in a 2005 Infiniti G35?
The occurrence of this code can vary based on factors like vehicle maintenance, driving conditions, and component wear. It's not uncommon for oxygen sensor-related codes to appear as the vehicle ages, so regular maintenance and inspections are key to prevent such issues.
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