P1137 Code - Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
Quick Answer
The diagnostic trouble code P1137 indicates a lack of heated oxygen sensor switches for Bank 1 Sensor 2, and that the sensor is indicating a lean condition. Common causes include Faulty oxygen sensor, Wiring or connector issues, Vacuum leaks. 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
- P1137 indicates Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean.
- Common causes
- Common causes include Faulty oxygen sensor, Wiring or connector issues, Vacuum leaks.
- 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.
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Code P1137 Description
The diagnostic trouble code P1137 indicates a lack of heated oxygen sensor switches for Bank 1 Sensor 2, and that the sensor is indicating a lean condition. This means that the oxygen sensor located after the catalytic converter on the bank 1 side of the engine is not switching properly between rich and lean fuel mixtures. The oxygen sensor plays a crucial role in monitoring the oxygen levels in the exhaust gases. If the sensor indicates a lean condition, it suggests that there is an imbalance in the air-fuel mixture, potentially leading to poor engine performance and increased emissions.
Common Causes of P1137
- Faulty oxygen sensor
- Wiring or connector issues
- Vacuum leaks
- Exhaust system leaks
- Fuel system issues
Symptoms of P1137
- Decreased fuel efficiency
- Poor engine performance
- Rough idling or stalling
- Check Engine Light illuminated
- Increased emissions
How to Fix P1137
- Diagnose the issue by using a scan tool to monitor the oxygen sensor's readings.
- Inspect the oxygen sensor wiring and connectors for any damage or corrosion.
- Check for vacuum leaks and repair or replace any damaged hoses.
- Inspect the exhaust system for leaks and repair as necessary.
- Replace the oxygen sensor if it is determined to be faulty.
Cost to Fix P1137
The cost of repairing a P1137 code can vary depending on the specific cause of the issue. Typically, replacing a faulty oxygen sensor can cost between $100 and $300, including parts and labor. However, if additional repairs are needed for issues such as wiring or exhaust leaks, the total cost can increase. It's important to consider that labor rates at auto repair shops can vary widely, so it's advisable to get a detailed estimate based on your location and vehicle type.
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Code P1137 Information for Specific Makes
- P1137 Audi — Long Term Fuel Trim Add. Fuel B1 System Too Rich
- P1137 BMW — O2 Sensor Heater Circuit Signal Intermittent Bank 1 Sensor 2
- P1137 Buick — HO2S Circuit Low Voltage Sensor 2
- P1137 Cadillac — HO2S Bank 1 Sensor 2 Lean Or Low Voltage
- P1137 Chevrolet — HO2S Bank 1 Sensor 2 Lean System or Low Voltage
- P1137 Ford — Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
- P1137 GMC — HO2S Bank 1 Sensor 2 Lean System or Low Voltage
- P1137 Infiniti — Swirl Control Valve Control Position Sensor Circuit
- P1137 Isuzu — HO2S 1 Rich Condition HO2S 2 Lean Condition
- P1137 Lincoln — Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
- P1137 Mazda — Rear O2 Sensor Self Test Fault
- P1137 Mercury — Lack Of Heated Oxygen Sensor Switches Bank 1 Sensor 2 Switch Indicates Lean
- P1137 MINI — O2 Sensor Heater Circuit Signal Intermittent Bank 1 Sensor 2
- P1137 Nissan — Swirl Control Valve Control Position Sensor Circuit
- P1137 Pontiac — HO2S Bank 1 Sensor 2 Lean Or Low Voltage
- P1137 Saturn — HO2S Bank 1 Sensor 2 Lean Or Low Voltage
- P1137 Subaru — Oxygen Sensor Circuit Bank 1 Sensor 1
- P1137 Suzuki — HO2S Circuit Low Voltage During Power Enrichment Sensor 2
- P1137 Volkswagen — Long Term Fuel Trim Add. Fuel B1 System Too Rich
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