P1137 Volkswagen Code - Long Term Fuel Trim Add. Fuel B1 System Too Rich
Quick Answer
The P1137 code for Volkswagen vehicles indicates that the Long Term Fuel Trim Additive Fuel Bank 1 System is too rich. Common causes include Faulty oxygen sensor, Vacuum leak in the intake system, Malfunctioning fuel injector. 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 Volkswagen indicates Long Term Fuel Trim Add. Fuel B1 System Too Rich.
- Common causes
- Common causes include Faulty oxygen sensor, Vacuum leak in the intake system, Malfunctioning fuel injector.
- 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 Volkswagen Description
The P1137 code for Volkswagen vehicles indicates that the Long Term Fuel Trim Additive Fuel Bank 1 System is too rich. This means that the engine control module (ECM) has detected an excessively high amount of fuel being added to the air-fuel mixture in the long term, resulting in a rich fuel condition. This can lead to poor fuel economy, increased emissions, and potential damage to the engine components over time.
Common Causes of P1137 Volkswagen
- Faulty oxygen sensor
- Vacuum leak in the intake system
- Malfunctioning fuel injector
- Issues with the mass airflow sensor
- Fuel pressure regulator problems
Symptoms of P1137 Volkswagen
- Decreased fuel efficiency
- Rough idling or stalling
- Black smoke from the exhaust
- Strong fuel odor
- Engine hesitation or misfiring
How to Fix P1137 Volkswagen
- Scan the vehicle's ECM to confirm the P1137 code and identify the specific cause of the rich fuel condition.
- Inspect the oxygen sensor and replace it if faulty.
- Check for any vacuum leaks in the intake system and repair as necessary.
- Test the fuel injectors for proper operation and replace any that are malfunctioning.
- Clean or replace the mass airflow sensor if it is causing the issue.
Cost to Fix P1137 Volkswagen
The typical repair costs for addressing a P1137 code can range from $200 to $600, depending on the specific cause of the issue and the cost of parts and labor in your area. It is important to note that diagnosis time and labor rates can vary, so it is recommended to obtain quotes from local auto repair shops for a more accurate estimate.
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Frequently Asked Questions about P1137 Volkswagen Code
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Discuss the causes and fixes for P1137 Volkswagen OBDII Code
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Hi I have a 2001 vr6 I keep getting p1137 & I have changed all parts maf,o2,purgevalve,injectors, fpr, I still can't figure out the issue.
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