P0107 – Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Introduction

Let’s break down exactly what the P0107 trouble code means for your Haval and how to fix it.

What Does Code P0107 Mean

The P0107 trouble code is defined as a Manifold Absolute Pressure/Barometric Pressure Circuit Low Input. This code is related to the engine control module’s (ECM) ability to monitor the manifold absolute pressure (MAP) sensor, which provides vital information about the engine’s operating conditions. The MAP sensor is a critical component of the engine management system, and a faulty sensor can significantly impact engine performance. The P0107 code may be associated with issues such as poor engine performance, decreased fuel efficiency, and difficulty starting the engine.

Common Haval Models Affected

The P0107 error can occur on various Haval models, including:

• Haval H6
• Haval H9
• Haval F7
• Haval Jolion
• Haval Dagou

Symptoms Table

The following symptoms may be experienced when the P0107 code is present:

Causes Table

The following potential causes may be associated with the P0107 code:

Real-World Driving Scenarios

When driving with the P0107 code, the driver may experience poor engine performance, particularly during acceleration or when driving uphill. The engine may stumble or hesitate, and the Check Engine Light (CEL) may be illuminated. In some cases, the engine may stall or have difficulty starting. The issue may be more pronounced in certain driving conditions, such as cold starts or when driving in hilly or mountainous terrain.

Diagnostic Steps

To diagnose the P0107 code, the following steps can be taken:
1. Inspect the MAP sensor and wiring for any signs of damage or corrosion.
2. Use a scan tool to monitor the MAP sensor signal and compare it to the expected values.
3. Check the wiring and connectors for any issues or damage.
4. Perform a visual inspection of the intake manifold and vacuum system for any signs of leaks or damage.
5. Use a multimeter to measure the voltage and resistance of the MAP sensor circuit.

Common Diagnostic Mistakes

When diagnosing the P0107 code, the following mistakes can be made:
1. Failing to inspect the wiring and connectors for damage or corrosion.
2. Not using a scan tool to monitor the MAP sensor signal.
3. Replacing the MAP sensor without checking the wiring and connectors.
4. Not performing a visual inspection of the intake manifold and vacuum system.
5. Not using a multimeter to measure the voltage and resistance of the MAP sensor circuit.
6. Not consulting the service manual for specific diagnostic procedures.

When Not to Replace the Sensor

Replacing the MAP sensor may not solve the issue if the problem is related to the wiring, connectors, or ECM software. In these cases, replacing the sensor will not resolve the issue, and further diagnosis will be required to identify the root cause of the problem.

How to Fix

To fix the P0107 code, the following steps can be taken:
1. Inspect and repair any wiring or connector issues.
2. Replace the MAP sensor if it is faulty.
3. Update the ECM software if necessary.
4. Repair any vacuum leaks or intake manifold issues.
5. Use a scan tool to clear the code and monitor the engine performance.

Severity Level

The P0107 code is considered a medium severity level, as it can cause poor engine performance and decreased fuel efficiency. However, it is not typically a critical issue that requires immediate attention. The urgency of repair is soon, as the issue can cause further damage to the engine or other components if left unrepaired.

Is It Safe to Drive with This Code

It is generally safe to drive with the P0107 code, but it is recommended to avoid heavy loads or extreme driving conditions. The engine may stumble or hesitate, and the Check Engine Light (CEL) may be illuminated. However, the issue can cause further damage to the engine or other components if left unrepaired, so it is recommended to address the issue as soon as possible.

Estimated Repair Cost

The estimated repair cost for the P0107 code can range from $200 to $1,000, depending on the specific cause of the issue and the labor costs of the repair shop.

Preventive Maintenance Tips

To prevent the P0107 code from occurring, regular maintenance can be performed, such as:
1. Inspecting the wiring and connectors for damage or corrosion.
2. Checking the MAP sensor for any signs of damage or wear.
3. Updating the ECM software regularly.
4. Performing regular tune-ups and maintenance on the engine.

Expert Mechanic Note

Tools Required for Diagnostics

The following tools may be required to diagnose the P0107 code:

• Scan tool
• Multimeter
• Wiring diagram
• Service manual

Technical Reference Values

The following technical reference values may be used to diagnose the P0107 code:

18. FAQ

1. What does code P0107 mean?

The P0107 error is a trouble code that indicates a low input from the manifold absolute pressure (MAP) sensor. This code is often linked to issues with the MAP sensor or the wiring and connectors associated with it. The P0107 trouble code may cause poor engine performance, decreased fuel efficiency, and difficulty starting the engine.

2. Is it safe to drive with code P0107?

It is generally safe to drive with the P0107 code, but it is recommended to avoid heavy loads or extreme driving conditions. The engine may stumble or hesitate, and the Check Engine Light (CEL) may be illuminated. However, the issue can cause further damage to the engine or other components if left unrepaired, so it is recommended to address the P0107 code as soon as possible.

3. Will the code clear itself?

The P0107 code will not clear itself, and it will require a scan tool to clear the code after the issue has been repaired. It is essential to diagnose and repair the underlying cause of the P0107 code to prevent it from returning.

4. Does the sensor need replacement?

The MAP sensor may need to be replaced if it is faulty, but it is not always the case. The P0107 code can be caused by issues with the wiring, connectors, or ECM software, so it is crucial to perform a thorough diagnosis to identify the root cause of the problem. Replacing the sensor without checking the wiring and connectors may not solve the issue.

5. How much does it cost to fix?

The estimated repair cost for the P0107 code can range from $200 to $1,000, depending on the specific cause of the issue and the labor costs of the repair shop. The cost of replacing the MAP sensor can range from $100 to $500, while the cost of repairing the wiring or connectors can range from $50 to $200.

Related Trouble Codes

The following trouble codes may be related to the P0107 code:

• Error P0110 on Haval — faulty MAP sensor circuit
• Error P0113 on Haval — faulty intake air temperature (IAT) sensor
• Error P0120 on Haval — faulty throttle position sensor (TPS)