P1137 Chevrolet Code - HO2S Bank 1 Sensor 2 Lean System or Low Voltage
Quick Answer
When the diagnostic trouble code P1137 appears on a Chevrolet vehicle, it indicates an issue with the HO2S (Heated Oxygen Sensor) Bank 1 Sensor 2 lean system or low voltage. Common causes include Faulty HO2S Bank 1 Sensor 2, Vacuum leak in the intake system, Fuel delivery issues. 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 Chevrolet indicates HO2S Bank 1 Sensor 2 Lean System or Low Voltage.
- Common causes
- Common causes include Faulty HO2S Bank 1 Sensor 2, Vacuum leak in the intake system, Fuel delivery issues.
- 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 Chevrolet Description
When the diagnostic trouble code P1137 appears on a Chevrolet vehicle, it indicates an issue with the HO2S (Heated Oxygen Sensor) Bank 1 Sensor 2 lean system or low voltage. This means that the oxygen sensor located downstream of the catalytic converter in bank 1 is detecting a lean air-fuel mixture or a low voltage signal. This can have a significant impact on the vehicle's performance and emissions.
Common Causes of P1137 Chevrolet
- Faulty HO2S Bank 1 Sensor 2
- Vacuum leak in the intake system
- Fuel delivery issues
- Exhaust leak
- Malfunctioning catalytic converter
Symptoms of P1137 Chevrolet
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Check Engine Light illuminated
- Increased emissions
How to Fix P1137 Chevrolet
- Diagnose the issue using a scan tool to pinpoint the exact cause of the lean air-fuel mixture or low voltage signal.
- Inspect the oxygen sensor and replace it if necessary.
- Check for any vacuum leaks in the intake system and repair them.
- Test the fuel delivery system to ensure proper fuel pressure and flow.
- Inspect the exhaust system for leaks and repair as needed.
Cost to Fix P1137 Chevrolet
The cost of repairing a P1137 code on a Chevrolet can vary depending on the specific cause of the issue. On average, the cost of replacing an oxygen sensor can range from $100 to $300, including parts and labor. Additional costs may be incurred if there are other components that need to be repaired or replaced. It's important to note that labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple shops to get an accurate estimate.
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Frequently Asked Questions about P1137 Chevrolet Code
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Discuss the causes and fixes for P1137 Chevrolet OBDII Code
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Mine is on and the rpms are not staying steady when trying to maintain same speed.. its fine when not pushing gas or while accelerating. Any thoughts?
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