P0107 Pontiac Code - Manifold Absolute Pressure/Barometric Pressure Circuit Low Input
Quick Answer
The Manifold Absolute Pressure (MAP) sensor measures the pressure inside the intake manifold. Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure 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
- P0107 Pontiac indicates Manifold Absolute Pressure/Barometric Pressure Circuit Low Input.
- Common causes
- Common causes include Faulty Manifold Absolute Pressure (MAP) Sensor, Manifold Absolute Pressure Sensor harness is open or shorted, Manifold Absolute Pressure 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.
Code P0107 Pontiac Description
The MAP sensor wiring includes 3 circuits. The Engine Control Module (ECM) supplies a regulated 5 volts to the sensor on a 5 V reference circuit. The ECM supplies ground on a low reference circuit. The MAP sensor provides a signal voltage to the ECM, relative to the pressure changes, on the MAP sensor signal circuit. The ECM converts the signal voltage input to a pressure value.
Under normal operation the greatest pressure that can exist in the intake manifold is at ignition ON, engine OFF, which is equal to the BARO. The lowest manifold pressure occurs when the vehicle is idling or decelerating. The ECM monitors the MAP sensor signal for pressure outside of the normal range.
The Diagnostic Trouble Code (DTC) will be set when the ECM detects that the MAP Sensor voltage is less than 0.15 V for greater than 13 ms.
What are the Possible Causes of the DTC P0107 Pontiac?
- Faulty Manifold Absolute Pressure (MAP) Sensor
- Manifold Absolute Pressure Sensor harness is open or shorted
- Manifold Absolute Pressure Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0107 Pontiac?
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 P0107 Pontiac 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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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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