P0106 Nissan Code - Manifold Absolute Pressure Circuit Performance Problem
Quick Answer
The Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection. 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
- P0106 Nissan indicates Manifold Absolute Pressure Circuit Performance Problem.
- Common causes
- Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure Sensor circuit poor electrical connection.
- 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.
Code P0106 Nissan Description
The MAP sensor wiring includes 3 circuits. The Engine Control Module (ECM) supplies a regulated 5 volts to the sensor on a 5 V reference circuit. The ECM supplies ground on a low reference circuit. The MAP sensor provides a signal voltage to the ECM, relative to the pressure changes, on the MAP sensor signal circuit. The ECM converts the signal voltage input to a pressure value.
Under normal operation the greatest pressure that can exist in the intake manifold is at ignition ON, engine OFF, which is equal to the BARO. The lowest manifold pressure occurs when the vehicle is idling or decelerating. The ECM monitors the MAP sensor signal for pressure outside of the normal range.
The Diagnostic Trouble Code (DTC) will be set when the ECM determines the MAP Sensor is stuck within the normal operating range. It accomplishes this by running 3 different models within the software to determine the values.
What are the Possible Causes of the DTC P0106 Nissan?
- Faulty Manifold Absolute Pressure (MAP) Sensor
- Manifold Absolute Pressure Sensor harness is open or shorted
- Manifold Absolute Pressure Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0106 Nissan?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0106 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0106 Nissan Code
1. What does the OBDII code P0106 mean on a Nissan?
P0106 indicates a "Manifold Absolute Pressure (MAP) Circuit Performance Problem," meaning the MAP sensor is sending signals to the engine control module (ECM) that are inconsistent or out of range.
2. What are the common symptoms of a P0106 code in a Nissan?
Symptoms may include rough idling, poor acceleration, decreased fuel efficiency, engine stalling, and the check engine light turning on.
3. What causes the P0106 code to trigger on a Nissan?
Common causes include a faulty MAP sensor, vacuum leaks, clogged intake manifold, wiring or connector issues, or a malfunctioning ECM.
4. Can a dirty air filter cause the P0106 code on a Nissan?
While unlikely, a severely clogged air filter can affect airflow and potentially contribute to this code if it impacts manifold pressure readings.
5. How do I fix the P0106 code on my Nissan?
Start by inspecting and, if necessary, replacing the MAP sensor. Check for vacuum leaks, clean the intake manifold, and repair any damaged wiring or connectors.
6. Can I drive my Nissan with a P0106 code?
Driving with a P0106 code is not recommended, as it can lead to poor engine performance, increased emissions, and potential damage to other components.
7. How do I diagnose the P0106 code on a Nissan?
Use a scan tool to check MAP sensor readings, inspect vacuum lines for leaks, test the MAP sensor with a multimeter, and examine wiring and connectors for damage.
8. Is a P0106 code specific to the MAP sensor on a Nissan?
Not always. While the MAP sensor is the primary component to check, other issues like vacuum leaks or a failing ECM can also cause this code.
9. How much does it cost to repair a Nissan with a P0106 code?
The cost can range from $50 to $200 for a MAP sensor replacement, plus labor. Additional repairs for vacuum leaks or wiring issues may increase the total.
10. Can a faulty throttle body trigger the P0106 code on a Nissan?
Yes, a malfunctioning throttle body can affect manifold pressure readings and indirectly cause the P0106 code. It’s worth inspecting if other components check out.
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