P0108 Mitsubishi Code - Manifold Absolute Pressure Circuit High Input
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
- P0108 Mitsubishi indicates Manifold Absolute Pressure Circuit High Input.
- 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 P0108 Mitsubishi 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 detects that the MAP Sensor voltage is more than 4.50 V for greater than 13 ms.
What are the Possible Causes of the DTC P0108 Mitsubishi?
- 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 P0108 Mitsubishi?
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 P0108 Mitsubishi 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 P0108 Mitsubishi Code
1. What are the common symptoms of OBDII code P0108 in a Mitsubishi?
- Common symptoms include rough idling, engine stalling, decreased fuel efficiency, and a noticeable decrease in engine performance.
2. What does the OBDII code P0108 indicating a high input in the Manifold Absolute Pressure (MAP) circuit mean?
- This code indicates that the intake manifold pressure sensor is detecting a higher than normal pressure reading.
3. What are the typical causes of OBDII code P0108 in a Mitsubishi?
- Common causes include a faulty MAP sensor, damaged or disconnected wiring in the MAP sensor circuit, a clogged or dirty air filter, or a leak in the intake manifold.
4. How can I diagnose the OBDII code P0108 in my Mitsubishi?
- You can diagnose this code by using an OBDII scanner to read the code, visually inspecting the MAP sensor and its wiring for any damage, and testing the sensor's voltage output.
5. Can I continue driving my Mitsubishi with the OBDII code P0108?
- It is not recommended to continue driving with this code present, as it can lead to further engine damage and decreased performance.
6. How can I repair OBDII code P0108 in my Mitsubishi?
- Repair options include replacing the faulty MAP sensor, repairing or replacing damaged wiring, cleaning or replacing the air filter, and checking for any leaks in the intake manifold.
7. Is it possible to reset the OBDII code P0108 in my Mitsubishi without fixing the underlying issue?
- While you can clear the code with an OBDII scanner, it is crucial to address the root cause to prevent the code from reappearing.
8. Will driving with the OBDII code P0108 harm other components of my Mitsubishi?
- Driving with this code can potentially harm other engine components due to incorrect air-fuel ratios and increased stress on the engine.
9. How long does it typically take to repair OBDII code P0108 in a Mitsubishi?
- The repair time can vary depending on the exact cause of the code, but it usually takes between 1-2 hours for a straightforward repair.
10. Can a DIY enthusiast fix OBDII code P0108 in a Mitsubishi, or is it best left to professionals?
- While some may be able to diagnose and fix the issue themselves, it is recommended to consult a professional mechanic for accurate diagnosis and repair of this code.
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