P1171 Honda Code - Fuel System Lean During Acceleration
Quick Answer
The P1171 Honda code indicates that the fuel system is running lean during acceleration. Common causes include Malfunctioning fuel injector, Clogged fuel filter, Faulty oxygen sensor. 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
- P1171 Honda indicates Fuel System Lean During Acceleration.
- Common causes
- Common causes include Malfunctioning fuel injector, Clogged fuel filter, Faulty oxygen sensor.
- 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 P1171 Honda Description
The P1171 Honda code indicates that the fuel system is running lean during acceleration. This means that the engine is not receiving enough fuel relative to the amount of air being taken in during acceleration. This imbalance can lead to a variety of issues that affect the vehicle's performance, fuel efficiency, and emissions.
Common Causes of P1171 Honda
- Malfunctioning fuel injector
- Clogged fuel filter
- Faulty oxygen sensor
- Vacuum leak
- Problem with the mass airflow sensor
Symptoms of P1171 Honda
- Misfires
- Rough idling
- Hesitation or stumbling during acceleration
- Reduced power
- Engine stalling
How to Fix P1171 Honda
- Diagnose the issue by using a scan tool to read the code and identify the specific problem within the fuel system.
- Inspect and potentially replace the fuel injector if it is found to be faulty.
- Check and replace the fuel filter if it is clogged and restricting fuel flow.
- Test and replace the oxygen sensor if it is not functioning correctly.
- Inspect the vacuum lines and intake system for leaks and repair as needed.
Cost to Fix P1171 Honda
The typical repair costs for addressing a P1171 Honda code can vary depending on the specific cause of the issue. In general, replacing a fuel injector can cost anywhere from $150 to $350, replacing a fuel filter can range from $50 to $100, replacing an oxygen sensor can cost between $100 and $200, and fixing a vacuum leak or mass airflow sensor issue can vary in cost depending on the extent of the repair needed.
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