P1150 Code - Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
Quick Answer
The Air-Fuel ratio (A/F) sensor varies its output voltage in proportion to the air-fuel ratio. Common causes include Faulty Air fuel Ratio (A/F) Bank 2 Sensor 1, Air fuel Ratio (A/F) Bank 2 Sensor 1 harness is open or shorted, Air fuel Ratio (A/F) Bank 2 Sensor 1 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
- P1150 indicates Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty Air fuel Ratio (A/F) Bank 2 Sensor 1, Air fuel Ratio (A/F) Bank 2 Sensor 1 harness is open or shorted, Air fuel Ratio (A/F) Bank 2 Sensor 1 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 P1150 Description
What are the Possible Causes of the DTC P1150?
- Faulty Air fuel Ratio (A/F) Bank 2 Sensor 1
- Air fuel Ratio (A/F) Bank 2 Sensor 1 harness is open or shorted
- Air fuel Ratio (A/F) Bank 2 Sensor 1 circuit poor electrical connection
- Fuel pressure
- Fuel injector
- Intake air leaks
How to Fix the DTC P1150?
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 P1150 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 Makes
- P1150 Audi — HO2S21 Implausible Control Value
- P1150 Ford — Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2
- P1150 Hyundai — Barometric Pressure Sensor Malfunction
- P1150 Lexus — Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
- P1150 Lincoln — Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2
- P1150 Mazda — HO2S-21 Failed To Switch
- P1150 Mercury — Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 2
- P1150 Scion — Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
- P1150 Subaru — Front Oxygen Sensor Heater Circuit High Input
- P1150 Toyota — Air/Fuel Ratio Sensor Circuit Range/Performance Malfunction Bank 2 Sensor 1
- P1150 Volkswagen — HO2S21 Implausible Control Value
Frequently Asked Questions about P1150 Code
1. What are the common symptoms of OBDII code P1150?
- Common symptoms include poor fuel economy, rough idling, engine hesitation, and potential stalling.
2. What does the OBDII code P1150 indicate?
- This code indicates a malfunction in the Air/Fuel Ratio Sensor Circuit for Bank 2 Sensor 1.
3. What are the possible causes of OBDII code P1150?
- Possible causes include a faulty air/fuel ratio sensor, wiring issues, exhaust leaks, or a problem with the engine's air intake system.
4. How can I diagnose the cause of OBDII code P1150?
- Diagnosing this code typically involves checking the air/fuel ratio sensor's wiring, inspecting for exhaust leaks, and testing the sensor's functionality.
5. Can I drive my vehicle with OBDII code P1150?
- It is not recommended to drive your vehicle with this code, as it can lead to decreased fuel efficiency and potential engine performance issues.
6. How do I repair OBDII code P1150?
- Repairing this code may involve replacing the air/fuel ratio sensor, fixing any wiring issues, addressing exhaust leaks, or cleaning the sensor.
7. Can a faulty air/fuel ratio sensor cause code P1150?
- Yes, a faulty air/fuel ratio sensor is a common cause of OBDII code P1150, as it can lead to improper air/fuel mixture in the engine.
8. How important is it to address OBDII code P1150 promptly?
- It is important to address this code promptly to prevent further damage to the engine and ensure optimal fuel efficiency and performance.
9. Is it possible for a DIY enthusiast to fix OBDII code P1150?
- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and using the right equipment.
10. How can I prevent OBDII code P1150 from occurring in the future?
- To prevent this code, it's important to perform regular maintenance on your vehicle, including checking the air/fuel ratio sensor, inspecting wiring, and addressing any issues promptly.
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