P1104 Nissan Code - MAP Sensor Low Voltage
Quick Answer
The P1104 Nissan code indicates that there is a low voltage condition detected in the Manifold Absolute Pressure (MAP) sensor circuit. Common causes include Faulty MAP sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak 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
- P1104 Nissan indicates MAP Sensor Low Voltage.
- Common causes
- Common causes include Faulty MAP sensor, Damaged wiring or connectors in the sensor circuit, Vacuum leak 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 P1104 Nissan Description
The P1104 Nissan code indicates that there is a low voltage condition detected in the Manifold Absolute Pressure (MAP) sensor circuit. The MAP sensor is a crucial component in the vehicle's engine management system as it measures the intake manifold pressure, which helps the engine control module (ECM) determine the correct air-fuel mixture for optimal combustion. When the sensor detects a low voltage, it can lead to incorrect fuel delivery, affecting the engine's performance, fuel efficiency, and emission levels.
Common Causes of P1104 Nissan
- Faulty MAP sensor
- Damaged wiring or connectors in the sensor circuit
- Vacuum leak in the intake system
- ECM malfunction
Symptoms of P1104 Nissan
- Poor engine performance
- Rough idling
- Stalling
- Hesitation during acceleration
- Engine misfires
How to Fix P1104 Nissan
- Begin by inspecting the wiring and connectors in the MAP sensor circuit for any visible damage. Repair or replace any damaged components.
- Test the MAP sensor using a multimeter to check for proper voltage output. Replace the sensor if it is faulty.
- Check for any vacuum leaks in the intake system and repair them if necessary.
- Clear the diagnostic trouble codes (DTCs) using a scan tool and reset the ECM to see if the issue persists.
- If the problem persists, consult a professional mechanic to perform a more in-depth diagnosis and repair.
Cost to Fix P1104 Nissan
The typical repair costs for addressing a P1104 Nissan code can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that the actual repair costs may vary based on the location, vehicle make and model, and the expertise of the auto repair shop. Be sure to get multiple quotes from different shops to ensure you receive a fair price for the repair.
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Information for Specific Nissan Models
- P1104 2002 Nissan Sentra — MAP Sensor Low Voltage
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