P0133 Infiniti Code - O2 Sensor Circuit Slow Response Bank 1 Sensor 1
Quick Answer
The front heated oxygen sensor (or O2 sensor 1) is placed into the exhaust manifold. Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection. 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
- P0133 Infiniti indicates O2 Sensor Circuit Slow Response Bank 1 Sensor 1.
- Common causes
- Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
- 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 P0133 Infiniti Description
What are the Possible Causes of the DTC P0133 Infiniti?
- Faulty Front Heated Oxygen Sensor Bank 1
- Front Heated Oxygen Sensor Bank 1 harness is open or shorted
- Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
How to Fix the DTC P0133 Infiniti?
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
For Infiniti models 2005 and up see: P0133 Infiniti
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0133 Infiniti 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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Information for Specific Infiniti Models
- P0133 2003 Infiniti G35 — O2 Sensor Circuit Slow Response Bank 1 Sensor 1
- P0133 2004 Infiniti G35 — O2 Sensor Circuit Slow Response Bank 1 Sensor 1
- P0133 2005 Infiniti G35 — Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1
- P0133 2006 Infiniti G35 — Air Fuel Ratio Circuit Slow Response Bank 1 Sensor 1
Frequently Asked Questions about P0133 Infiniti Code
1. What are the common symptoms of OBDII code P0133 in an Infiniti?
- Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and the illumination of the check engine light.
2. What does the OBDII code P0133 in an Infiniti indicate?
- The code P0133 indicates a slow response from the upstream oxygen sensor (Bank 1 Sensor 1) in the vehicle's exhaust system.
3. What are the potential causes of the O2 sensor circuit slow response code P0133 in an Infiniti?
- Possible causes include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, engine misfires, or issues with the engine control module.
4. How can I diagnose the O2 sensor circuit slow response code P0133 in my Infiniti?
- Diagnosing this code typically involves testing the oxygen sensor, inspecting the wiring and connectors, checking for exhaust leaks, and scanning the vehicle's computer for related trouble codes.
5. Can driving with the OBDII code P0133 in an Infiniti cause further damage?
- Driving with this code may lead to decreased fuel efficiency and performance, as well as potential damage to the catalytic converter over time if left unresolved.
6. What are the recommended steps to repair the O2 sensor circuit slow response code P0133 in an Infiniti?
- The repair process may involve replacing the upstream oxygen sensor, repairing damaged wiring or connectors, fixing exhaust leaks, addressing engine misfires, or reprogramming the engine control module.
7. How important is it to address the OBDII code P0133 promptly in an Infiniti?
- It is crucial to address this code promptly to ensure optimal engine performance, fuel efficiency, and emissions compliance, as well as to prevent potential damage to other components in the vehicle.
8. Can I reset the check engine light after resolving the O2 sensor circuit slow response code P0133 in my Infiniti?
- Yes, once the underlying issue triggering the code P0133 has been resolved, you can reset the check engine light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.
9. How long does it typically take to repair the OBDII code P0133 in an Infiniti?
- The repair time can vary depending on the exact cause of the code, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the issue.
10. Is it possible to prevent the O2 sensor circuit slow response code P0133 from occurring in my Infiniti?
- Regular maintenance, such as timely replacement of oxygen sensors and addressing any engine issues promptly, can help reduce the likelihood of encountering the P0133 trouble code.
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