AutoCodes – Land Rover – P1103 Land Rover

P1103 Land Rover Code - Mass Or Volume Airflow Supply High

Quick Answer

The Mass Airflow Sensor is a combined Mass Airflow sensor and an Intake Air Temperature sensor. Common causes include Faulty Mass Airflow Sensor, Mass Airflow Sensor harness is open or shorted, Mass Airflow 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: P1103 Land Rover indicates Mass Or Volume Airflow Supply High.
Common causes: Common causes include Faulty Mass Airflow Sensor, Mass Airflow Sensor harness is open or shorted, Mass Airflow 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 4,959

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 Jun 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1103 Land Rover Description

The Mass Airflow Sensor is a combined Mass Airflow sensor and an Intake Air Temperature sensor. The Mass Airflow Interface consists of 1 analog voltage input signal for Air Flow, a reference supply (5V) voltage, and a ground reference voltage. The Diagnostic Trouble Code (DTC) will set when the actual airflow is less than the calculated airflow derived from the throttle position.

OBDII Code P1103 Land Rover - Mass Or Volume Airflow Supply High - AutoCodes.com — P1103 Land Rover Code - Mass Or Volume Airflow Supply High

What does this mean?

What are the Possible Causes of the DTC P1103 Land Rover?

Faulty Mass Airflow Sensor
Mass Airflow Sensor harness is open or shorted
Mass Airflow Sensor circuit poor electrical connection

How to Fix the DTC P1103 Land Rover?

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 P1103 Land Rover 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 P1103 Land Rover Code

1. What are the common symptoms of OBDII code P1103 in a Land Rover related to Mass Or Volume Airflow Supply High?

- Common symptoms include rough idling, engine hesitation, reduced fuel efficiency, and potential stalling.

2. What are the possible causes of OBDII code P1103 in a Land Rover indicating Mass Or Volume Airflow Supply High?

- Possible causes may include a faulty mass airflow sensor, issues with the intake air system, vacuum leaks, or a problem with the engine control module.

3. How can I diagnose the OBDII code P1103 in my Land Rover indicating Mass Or Volume Airflow Supply High?

- Diagnose by performing a visual inspection of the intake air system, checking for vacuum leaks, testing the mass airflow sensor, and scanning the vehicle's computer for additional fault codes.

4. Can a dirty air filter trigger the OBDII code P1103 in a Land Rover related to Mass Or Volume Airflow Supply High?

- Yes, a dirty air filter can restrict airflow and cause the mass airflow sensor to read incorrect values, potentially triggering the P1103 code.

5. Is it safe to continue driving my Land Rover with the OBDII code P1103 indicating Mass Or Volume Airflow Supply High?

- It is not recommended to drive the vehicle extensively with this code present, as it can lead to poor engine performance and potential damage if left unresolved.

6. Can I reset the OBDII code P1103 in my Land Rover indicating Mass Or Volume Airflow Supply High without fixing the underlying issue?

- While you can clear the code with a diagnostic tool, it is crucial to address the root cause to prevent the issue from recurring and potentially causing further damage.

7. How much does it typically cost to repair OBDII code P1103 in a Land Rover related to Mass Or Volume Airflow Supply High?

- The repair cost can vary depending on the exact cause of the issue, but it may involve replacing the mass airflow sensor, fixing any air leaks, or addressing other related components.

8. Are there any DIY repair tips for addressing the OBDII code P1103 in a Land Rover indicating Mass Or Volume Airflow Supply High?

- DIY repair tips may include cleaning or replacing the mass airflow sensor, checking and tightening any loose intake connections, and inspecting the air filter for dirt or debris.

9. Can extreme weather conditions affect the triggering of OBDII code P1103 in a Land Rover related to Mass Or Volume Airflow Supply High?

- Yes, extreme temperatures or humidity levels can impact the performance of the mass airflow sensor and contribute to triggering the P1103 code.

10. Will fixing the OBDII code P1103 in my Land Rover related to Mass Or Volume Airflow Supply High improve the vehicle's overall performance and fuel efficiency?

- Yes, resolving the underlying issue causing the P1103 code can lead to improved engine performance, smoother operation, and better fuel efficiency in your Land Rover.