P1286 Infiniti Code - Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2
Quick Answer
The P1286 Infiniti code indicates that the Air Fuel Ratio Sensor 1 Circuit in Bank 2 is detecting high voltage. Common causes include Faulty air fuel ratio sensor, Wiring or connector issues, Vacuum leak. 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
- P1286 Infiniti indicates Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2.
- Common causes
- Common causes include Faulty air fuel ratio sensor, Wiring or connector issues, Vacuum leak.
- 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 P1286 Infiniti Description
The P1286 Infiniti code indicates that the Air Fuel Ratio Sensor 1 Circuit in Bank 2 is detecting high voltage. This sensor is responsible for monitoring the air to fuel ratio in the exhaust system and sending this information to the engine control module (ECM). When the sensor detects high voltage, it means that the air to fuel ratio is too lean, which can lead to poor engine performance, reduced fuel efficiency, and increased emissions.
Common Causes of P1286 Infiniti
- Faulty air fuel ratio sensor
- Wiring or connector issues
- Vacuum leak
- Clogged fuel injector
- ECM malfunction
Symptoms of P1286 Infiniti
- Decreased fuel efficiency
- Rough idling or stalling
- Engine misfires
- Check Engine Light illuminated
- Increased emissions
How to Fix P1286 Infiniti
- Diagnose the issue by using a scan tool to read the code and perform a visual inspection of the sensor, wiring, and connectors.
- Test the air fuel ratio sensor using a multimeter to determine if it is functioning properly.
- Check for any vacuum leaks or clogged fuel injectors that may be affecting the air fuel ratio.
- Repair or replace any faulty components, such as the sensor, wiring, connectors, or fuel injectors.
- Clear the code and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1286 Infiniti
The cost of repairing a P1286 Infiniti code can vary depending on the specific cause of the issue. In general, replacing an air fuel ratio sensor can cost between $150 and $400, including parts and labor. Additional costs may be incurred if wiring or connectors need to be replaced, or if other components require repair. It's important to consult with a qualified mechanic to determine the exact cost of repairing this issue for your vehicle, as labor rates and prices for parts can vary.
When is the Code Detected?
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