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P1108 Suzuki Code - Manifold Differential Pressure Sensor High Input

Quick Answer

The P1108 code for Suzuki vehicles indicates a problem with the Manifold Differential Pressure Sensor, specifically a high input signal. Common causes include Faulty Manifold Differential Pressure Sensor, Vacuum leaks in the intake system, Clogged air filter. 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
P1108 Suzuki indicates Manifold Differential Pressure Sensor High Input.
Common causes
Common causes include Faulty Manifold Differential Pressure Sensor, Vacuum leaks in the intake system, Clogged air filter.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1108 Suzuki Description

The P1108 code for Suzuki vehicles indicates a problem with the Manifold Differential Pressure Sensor, specifically a high input signal. This sensor is responsible for measuring the pressure difference between the intake manifold and the atmosphere. When this code is triggered, it means that the sensor is detecting a higher than normal pressure reading, which could be caused by various issues within the engine system.

OBDII Code P1108 Suzuki - Manifold Differential Pressure Sensor High Input
P1108 Suzuki Code - Manifold Differential Pressure Sensor High Input

Common Causes of P1108 Suzuki

  1. Faulty Manifold Differential Pressure Sensor
  2. Vacuum leaks in the intake system
  3. Clogged air filter
  4. Issues with the ECU
  5. Wiring or connector issues

Symptoms of P1108 Suzuki

  1. Decrease in engine power
  2. Reduced fuel efficiency
  3. Rough idling or stalling
  4. Increased emissions
  5. Check Engine Light illuminated

How to Fix P1108 Suzuki

  1. Start by diagnosing the issue with a professional OBD-II scanner to confirm the P1108 code.
  2. Inspect the Manifold Differential Pressure Sensor for any signs of damage or malfunction and replace if necessary.
  3. Check for vacuum leaks in the intake system and repair or replace any damaged hoses.
  4. Inspect and replace the air filter if it is dirty or clogged.
  5. Verify the wiring and connectors related to the sensor for any damage or corrosion and repair as needed.

Cost to Fix P1108 Suzuki

The cost of repairing a Manifold Differential Pressure Sensor high input issue can vary depending on the specific cause of the problem. On average, the cost of replacing the sensor itself can range from $100 to $200, while additional repairs such as fixing vacuum leaks or replacing the air filter may incur extra costs. Labor costs at an auto repair shop can range from $80 to $150 per hour, so the total repair cost could amount to several hundred dollars. It's recommended to consult with a professional mechanic to get an accurate estimate based on the specific issues present in your vehicle.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1108 Suzuki Code

1. What are the common symptoms of OBDII code P1108 (Suzuki) related to the Manifold Differential Pressure Sensor High Input?

Symptoms may include rough idling, decreased engine performance, poor fuel efficiency, and in some cases, the vehicle going into limp mode.

2. What are the potential causes of the Manifold Differential Pressure Sensor High Input code (P1108) in a Suzuki vehicle?

Possible causes include a faulty manifold differential pressure sensor, issues with the sensor wiring or connectors, intake manifold leaks, or a problem with the engine control module (ECM).

3. How can I diagnose the P1108 code in my Suzuki for the Manifold Differential Pressure Sensor High Input?

Diagnosis typically involves checking the sensor's wiring and connectors for any damage, inspecting the intake manifold for leaks, testing the sensor's resistance and voltage, and using a scan tool to monitor sensor data.

4. Can a dirty air filter cause the P1108 code (Suzuki) to appear?

Yes, a dirty air filter can disrupt the air intake and affect the pressure readings, potentially triggering the Manifold Differential Pressure Sensor High Input code.

5. Is it safe to continue driving my Suzuki with the P1108 code related to the Manifold Differential Pressure Sensor High Input?

Continuing to drive with this code present can lead to further engine issues and decreased performance. It is recommended to address the underlying problem promptly.

6. Are there any DIY repair tips for fixing the P1108 code in a Suzuki vehicle?

DIY tips may include checking and cleaning the sensor connectors, inspecting the intake manifold for leaks, and ensuring the air filter is clean and properly installed. However, if unsure, it's best to consult a professional.

7. How much does it typically cost to repair the Manifold Differential Pressure Sensor High Input issue causing the P1108 code in a Suzuki?

The cost of repair can vary depending on the specific cause of the issue. It may range from replacing a faulty sensor or connector to addressing more complex problems like intake manifold leaks.

8. Can a loose gas cap trigger the P1108 code (Suzuki) to appear?

While a loose gas cap typically triggers evaporative emission codes, it's always a good practice to ensure the gas cap is securely tightened to rule out any potential issues.

9. Will resetting the OBDII codes make the P1108 code related to the Manifold Differential Pressure Sensor High Input disappear permanently?

Resetting the codes may clear the warning temporarily, but if the underlying issue causing the code is not addressed, it is likely to reappear after driving cycles or under certain conditions.

10. How important is it to address the P1108 code in a Suzuki promptly?

Promptly addressing the P1108 code is crucial to prevent further damage to the engine, ensure optimal performance, and maintain fuel efficiency. Ignoring the issue can lead to more severe problems over time.

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