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P1107 Isuzu Code - MAP Circuit Intermittent Voltage Low

Quick Answer

The P1107 diagnostic trouble code (DTC) for Isuzu vehicles indicates a problem with the Manifold Absolute Pressure (MAP) sensor circuit having intermittent low voltage. Common causes include Faulty MAP sensor, Damaged wiring or connectors in the MAP sensor circuit, Vacuum leak in the intake manifold. 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
P1107 Isuzu indicates MAP Circuit Intermittent Voltage Low.
Common causes
Common causes include Faulty MAP sensor, Damaged wiring or connectors in the MAP sensor circuit, Vacuum leak in the intake manifold.
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 10, 2024
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Code P1107 Isuzu Description

The P1107 diagnostic trouble code (DTC) for Isuzu vehicles indicates a problem with the Manifold Absolute Pressure (MAP) sensor circuit having intermittent low voltage. The MAP sensor measures the pressure within the intake manifold and sends this information to the engine control module (ECM) to adjust fuel delivery and ignition timing for optimal performance. When the voltage from the MAP sensor circuit drops below the specified threshold intermittently, it can lead to a variety of performance issues in the vehicle.

OBDII Code P1107 Isuzu - MAP Circuit Intermittent Voltage Low
P1107 Isuzu Code - MAP Circuit Intermittent Voltage Low

Common Causes of P1107 Isuzu

  1. Faulty MAP sensor
  2. Damaged wiring or connectors in the MAP sensor circuit
  3. Vacuum leak in the intake manifold
  4. ECM malfunction
  5. Intake manifold pressure sensor failure

Symptoms of P1107 Isuzu

  1. Rough idling or stalling
  2. Hesitation or lack of power during acceleration
  3. Decreased fuel efficiency
  4. Check Engine Light illuminated
  5. Engine misfires

How to Fix P1107 Isuzu

  1. Begin by diagnosing the issue using a scan tool to confirm the P1107 code and perform a visual inspection of the MAP sensor and its wiring.
  2. Test the MAP sensor using a multimeter to check for proper voltage and resistance readings.
  3. Inspect the wiring and connectors for any signs of damage or corrosion, repairing or replacing as necessary.
  4. Check for vacuum leaks in the intake manifold by performing a smoke test or using a vacuum gauge.
  5. If the issue persists, consider replacing the MAP sensor or seeking professional assistance for further diagnosis.

Cost to Fix P1107 Isuzu

The cost estimate for repairing a P1107 MAP Circuit Intermittent Voltage Low issue can vary depending on the specific cause of the problem. Generally, replacing a faulty MAP sensor can cost between $50 to $200, while repairing wiring or connectors may add additional labor costs. Overall, the total repair cost, including parts and labor, can range from $100 to $400. It's important to note that diagnosis time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from local shops for a more accurate estimate.

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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 P1107 Isuzu Code

1. What does OBDII code P1107 for Isuzu MAP Circuit Intermittent Voltage Low indicate?

Code P1107 indicates that the Manifold Absolute Pressure (MAP) sensor circuit is detecting intermittent low voltage readings, which can affect engine performance.

2. What are the common symptoms of Isuzu OBDII code P1107?

Common symptoms of P1107 may include rough idling, reduced engine power, poor fuel efficiency, and in some cases, stalling or difficulty starting the vehicle.

3. What are possible causes of Isuzu OBDII code P1107?

Potential causes of P1107 can include a faulty MAP sensor, damaged wiring or connectors in the MAP sensor circuit, vacuum leaks, or issues with the intake manifold.

4. How can I diagnose the P1107 code on my Isuzu?

Diagnosing code P1107 typically involves checking the MAP sensor's wiring and connectors for damage, inspecting the intake manifold for leaks, and testing the sensor's voltage output using a multimeter.

5. Can I drive my Isuzu with OBDII code P1107?

It is not recommended to drive your Isuzu with P1107 for an extended period since the issue can lead to poor engine performance and potential further damage if left unaddressed.

6. How can I repair OBDII code P1107 on my Isuzu?

Repairing P1107 often involves replacing a faulty MAP sensor, repairing damaged wiring or connectors, fixing any vacuum leaks, or addressing issues with the intake manifold.

7. Is resetting the OBDII code P1107 sufficient to fix the issue?

Simply resetting the code may temporarily clear the check engine light, but it will not resolve the underlying problem causing P1107. It's important to diagnose and address the root cause of the issue.

8. Can a dirty MAP sensor cause OBDII code P1107 on an Isuzu?

A dirty MAP sensor can potentially cause erratic voltage readings that trigger P1107. Cleaning the sensor may help, but if the issue persists, it may need to be replaced.

9. Is OBDII code P1107 specific to certain Isuzu models?

While P1107 is related to the MAP sensor circuit, it can appear on various Isuzu models that are equipped with OBDII systems and MAP sensors.

10. How much does it typically cost to repair OBDII code P1107 on an Isuzu?

The cost of repairing P1107 can vary depending on the specific cause of the issue, but it may range from around $100 for a simple fix like a sensor replacement to several hundred dollars for more complex repairs involving wiring or manifold issues.

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