P0108 Mercury Code - Manifold Absolute Pressure/Barometric Pressure Sensor High Input
Quick Answer
The Manifold Absolute Pressure (MAP) Sensor is located on the intake manifold and measures the intake manifold pressure. 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 Mercury indicates Manifold Absolute Pressure/Barometric Pressure Sensor 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 Mercury Description
What are the Possible Causes of the DTC P0108 Mercury?
- Faulty Manifold Absolute Pressure (MAP) Sensor
- Manifold Absolute Pressure Sensor harness is open or shorted
- Manifold Absolute Pressure Sensor circuit poor electrical connection
How to Fix the DTC P0108 Mercury?
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 Mercury 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 Mercury Code
1. What does the OBDII code P0108 mean for a Mercury vehicle?
P0108 indicates that the Manifold Absolute Pressure (MAP) sensor is reporting a voltage signal that is too high, suggesting a possible issue with the sensor or related components.
2. What are the common symptoms of the P0108 code in a Mercury?
Symptoms include poor engine performance, rough idling, reduced fuel efficiency, hesitation during acceleration, and possible stalling.
3. What causes the P0108 code to trigger?
Common causes include a faulty MAP sensor, wiring issues such as shorts or corrosion, a vacuum leak, or a malfunctioning powertrain control module (PCM).
4. Can a dirty MAP sensor cause the P0108 code?
Yes, a dirty or contaminated MAP sensor can cause incorrect readings, potentially triggering the P0108 code.
5. How do you diagnose the P0108 code in a Mercury?
Diagnosis involves checking the MAP sensor voltage with a multimeter, inspecting wiring and connectors for damage, and verifying vacuum levels with a vacuum gauge.
6. Is it safe to drive a Mercury with the P0108 code?
Driving with this code can lead to poor performance and potential damage over time, so it’s best to address the issue promptly.
7. What repairs can fix the P0108 code in a Mercury?
Repairs may include replacing the MAP sensor, repairing damaged wiring or connectors, fixing vacuum leaks, or reprogramming the PCM if necessary.
8. Can a clogged air filter cause the P0108 code?
While not a direct cause, a clogged air filter can affect airflow and engine vacuum, potentially contributing to MAP sensor issues.
9. Does the P0108 code always mean the MAP sensor is faulty?
No, the issue could also stem from wiring problems, a vacuum leak, or PCM malfunctions, so thorough diagnostics are essential.
10. How much does it cost to fix the P0108 code on a Mercury?
Repair costs vary based on the issue but typically range from $100 to $300 for sensor replacement, with additional costs for wiring or PCM repairs.
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