AutoCodes – Suzuki – P1108 Suzuki

P1108 Suzuki Code - Manifold Differential Pressure Sensor High Input

Quick Answer

The Manifold Absolute Pressure (MAP) sensor provides instantaneous manifold pressure information to the engine's Engine Control Module (ECM). Common causes include Faulty Manifold Absolute Pressure (MAP) sensor, Manifold Absolute Pressure (MAP) sensor harness is open or shorted, Manifold Absolute Pressure (MAP) 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: P1108 Suzuki indicates Manifold Differential Pressure Sensor High Input.
Common causes: Common causes include Faulty Manifold Absolute Pressure (MAP) sensor, Manifold Absolute Pressure (MAP) sensor harness is open or shorted, Manifold Absolute Pressure (MAP) 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.

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Code Popularity 5,062

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 19, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1108 Suzuki Description

The Manifold Absolute Pressure (MAP) sensor provides instantaneous manifold pressure information to the engine's Engine Control Module (ECM). The data is used to calculate air density and determine the engine's air mass flow rate, which in turn determines the required fuel metering for optimum combustion. A fuel-injected engine may alternately use a Mass Air Flow (MAF) sensor to detect the intake airflow. A typical configuration employs one or the other, but seldom both.The MAP/BARO Switch solenoid valve switches it's air flow passage according to the voltage signal sent from the ECM.

OBDII Code P1108 Suzuki - Manifold Differential Pressure Sensor High Input - AutoCodes.com — P1108 Suzuki Code - Manifold Differential Pressure Sensor High Input

What does this mean?

What are the Possible Causes of the DTC P1108 Suzuki?

Faulty Manifold Absolute Pressure (MAP) sensor
Manifold Absolute Pressure (MAP) sensor harness is open or shorted
Manifold Absolute Pressure (MAP) sensor circuit poor electrical connection

How to Fix the DTC P1108 Suzuki?

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 P1108 Suzuki 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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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.