P1109 Acura Code - BARO Sensor Circuit Out of Range High
Quick Answer
The P1109 code is specific to Acura vehicles and indicates an issue with the BARO (Barometric Pressure) sensor circuit being out of range high. Common causes include Faulty BARO sensor, Wiring or connector issues in the BARO sensor circuit, Vacuum leaks in the intake system. 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
- P1109 Acura indicates BARO Sensor Circuit Out of Range High.
- Common causes
- Common causes include Faulty BARO sensor, Wiring or connector issues in the BARO sensor circuit, Vacuum leaks in the intake system.
- 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 P1109 Acura Description
The P1109 code is specific to Acura vehicles and indicates an issue with the BARO (Barometric Pressure) sensor circuit being out of range high. The BARO sensor is responsible for monitoring the barometric pressure in the atmosphere and providing this information to the engine control module (ECM). This data is crucial for determining the correct air-fuel mixture for efficient engine performance.
Common Causes of P1109 Acura
- Faulty BARO sensor
- Wiring or connector issues in the BARO sensor circuit
- Vacuum leaks in the intake system
- ECM software or hardware issues
- Environmental factors affecting barometric pressure readings
Symptoms of P1109 Acura
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idling or stalling
- Engine hesitation or lack of power
- Increased emissions
How to Fix P1109 Acura
- Begin by using a scan tool to diagnose the specific cause of the P1109 code.
- Inspect the BARO sensor and its wiring for any signs of damage or corrosion. Replace the sensor if necessary.
- Check for any vacuum leaks in the intake system and repair as needed.
- Clear the code from the ECM memory and perform a test drive to ensure the issue has been resolved.
- If the problem persists, further diagnostic testing may be required to pinpoint the exact cause of the out-of-range high BARO sensor readings.
Cost to Fix P1109 Acura
The cost estimate for repairing a P1109 BARO Sensor Circuit Out of Range High code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. On average, the cost of replacing a BARO sensor can range from $100 to $200, while diagnosing and repairing wiring or other related issues may add to the total cost. It's recommended to consult with a trusted mechanic or service center for a more accurate estimate based on the individual circumstances of your vehicle.
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