Engine-CodesPontiac – P0107 Pontiac

P0107 Pontiac Code - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Quick Answer

The P0107 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure (BARO) sensor circuit, specifically a low input signal. Common causes include Faulty MAP sensor, Damaged wiring or connectors in the 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
P0107 Pontiac indicates Manifold Absolute Pressure/Barometric Pressure Circuit Low Input.
Common causes
Common causes include Faulty MAP sensor, Damaged wiring or connectors in the 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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0107 Pontiac Description

The P0107 diagnostic trouble code (DTC) for Pontiac vehicles indicates a problem with the Manifold Absolute Pressure (MAP) sensor or Barometric Pressure (BARO) sensor circuit, specifically a low input signal. The MAP sensor measures the pressure inside the intake manifold, providing crucial data to the engine control module (ECM) for determining the air-fuel ratio and ignition timing. The BARO sensor, on the other hand, measures the atmospheric pressure outside the engine, which is essential for accurate fuel delivery calculations.

OBDII Code P0107 Pontiac - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
P0107 Pontiac Code - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input

Common Causes of P0107 Pontiac

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

Symptoms of P0107 Pontiac

  1. Rough idling or unstable engine operation
  2. Hesitation or lack of power during acceleration
  3. Stalling or difficulty starting the engine
  4. Decreased fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0107 Pontiac

  1. Begin by using a diagnostic scan tool to retrieve the specific trouble code and freeze frame data related to the P0107 code.
  2. Inspect the MAP sensor and BARO sensor for any visible damage or signs of wear. Replace the sensors if necessary.
  3. Check the wiring and connectors in the sensor circuit for any breaks, corrosion, or loose connections. Repair or replace damaged components.
  4. Inspect the intake manifold for any vacuum leaks that could affect sensor readings. Repair any leaks found.
  5. Clear the trouble code from the ECM's memory using the diagnostic scan tool and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0107 Pontiac

The typical repair costs for addressing a P0107 code on a Pontiac vehicle can vary depending on the specific cause of the issue and the parts/labour required for the repair. On average, the cost of replacing a MAP sensor or BARO sensor ranges from $50 to $200, while addressing wiring or connector issues may cost between $100 and $300. Labor rates at auto repair shops typically range from $80 to $150 per hour, and the diagnosis time and additional parts needed can also impact the final cost. It is advisable to consult with a qualified mechanic or auto repair shop to obtain a more accurate estimate based on the vehicle's make and model, as well as the local labour rates in your area.

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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 P0107 Pontiac Code

1. What does the OBDII code P0107 mean for a Pontiac?

P0107 indicates that the Manifold Absolute Pressure (MAP) sensor is reporting a voltage reading below the expected range, which suggests a low input signal.

2. What are common symptoms of the P0107 code in a Pontiac?

Symptoms include poor engine performance, rough idling, stalling, reduced fuel economy, and possibly an illuminated Check Engine Light.

3. What causes the P0107 code to trigger in a Pontiac?

Common causes include a faulty MAP sensor, damaged wiring or connectors, vacuum leaks, or issues with the engine control module (ECM).

4. Can a dirty MAP sensor cause the P0107 code?

Yes, a dirty or clogged MAP sensor can lead to inaccurate readings and trigger the P0107 code.

5. How do you diagnose the P0107 code in a Pontiac?

Start by inspecting the MAP sensor, its wiring, and connectors for damage or corrosion. Use a multimeter to check voltage levels and verify the sensor's output against manufacturer specifications.

6. Can I drive my Pontiac with the P0107 code?

While the car may still be drivable, it is not recommended as it can lead to poor performance, potential stalling, and further engine damage.

7. How do you fix the P0107 code on a Pontiac?

Repairs may include cleaning or replacing the MAP sensor, repairing damaged wiring or connectors, fixing vacuum leaks, or reprogramming the ECM if necessary.

8. How much does it cost to fix the P0107 code on a Pontiac?

The cost depends on the specific issue, but replacing a MAP sensor typically costs $100–$300, including parts and labor.

9. Can a vacuum leak cause the P0107 code in a Pontiac?

Yes, a vacuum leak can disrupt the MAP sensor's pressure readings and trigger the P0107 code.

10. Will resetting the Check Engine Light fix the P0107 code?

Resetting the light will not fix the underlying issue. The problem must be diagnosed and repaired to prevent the code from returning.

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