P0108 1998 Honda Civic Code - Manifold Absolute Pressure Sensor Circuit High Voltage
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 1998 Honda Civic indicates Manifold Absolute Pressure Sensor Circuit High Voltage.
- 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 1998 Honda Civic 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 1998 Honda Civic?
- 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 1998 Honda Civic?
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 1998 Honda Civic 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 1998 Honda Civic Code
1. What are the common symptoms of OBDII code P0108 on a 1998 Honda Civic?
- Common symptoms include poor engine performance, reduced fuel efficiency, stalling, and the Check Engine light illuminating.
2. What does the OBDII code P0108 on a 1998 Honda Civic indicate?
- The code P0108 indicates that there is a high voltage condition in the Manifold Absolute Pressure (MAP) sensor circuit.
3. What are the possible causes of OBDII code P0108 on a 1998 Honda Civic?
- Possible causes include a faulty MAP sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module (ECM).
4. How can I diagnose the cause of OBDII code P0108 on my 1998 Honda Civic?
- You can use a multimeter to test the voltage output of the MAP sensor, inspect the wiring and connectors for damage, and perform a thorough visual inspection of the sensor and its connections.
5. Can I drive my 1998 Honda Civic with OBDII code P0108?
- It is not recommended to drive your vehicle with code P0108 as it can lead to further damage and potentially unsafe driving conditions.
6. How can I repair OBDII code P0108 on my 1998 Honda Civic?
- Repair options may include replacing the MAP sensor, repairing or replacing damaged wiring or connectors, or resetting the ECM after fixing the issue.
7. Is it possible to reset OBDII code P0108 on a 1998 Honda Civic without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reappearing.
8. How much does it typically cost to repair OBDII code P0108 on a 1998 Honda Civic?
- The cost of repair can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Are there any preventative maintenance tips to avoid OBDII code P0108 on a 1998 Honda Civic?
- Regularly inspecting and maintaining the MAP sensor, wiring, and connectors can help prevent issues that lead to code P0108.
10. Can a DIY enthusiast fix OBDII code P0108 on a 1998 Honda Civic?
- Depending on your experience and tools available, DIY enthusiasts can potentially fix code P0108 by following repair guides, but professional help may be needed for complex issues.
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