How the P0107 Code Affects Your Vehicle and How to Prevent It

How the P0107 Code Affects Your Vehicle and How to Prevent It

The P0107 code stands for “Manifold Absolute Pressure (MAP) Sensor/Barometric Sensor Low.” This means that your vehicle’s powertrain control module (PCM) has detected that the MAP sensor signal voltage is too low. The MAP sensor measures the pressure inside the intake manifold, which helps the PCM determine the correct air-fuel mixture for optimal engine performance.

Top 20 Vehicles Commonly Affected by P0107

While this code can appear in many vehicles with modern computer systems, here are 20 models that frequently experience this issue:

  • Chevrolet Silverado
  • GMC Sierra
  • Ford F-150
  • Dodge Ram 1500
  • Toyota Camry
  • Honda Accord
  • Nissan Altima
  • Hyundai Sonata
  • Kia Optima
  • Volkswagen Jetta
  • Chevrolet Cruze
  • Ford Focus
  • Honda Civic
  • Toyota Corolla
  • Mazda 3
  • Subaru Outback
  • Jeep Grand Cherokee
  • Chevrolet Equinox
  • Ford Escape
  • GMC Acadia

Implications on Vehicle Performance and Emissions

The P0107 code can have several negative impacts on your vehicle:

  • Reduced engine performance and power: The engine may struggle to maintain optimal power output.
  • Poor fuel economy: Incorrect air-fuel mixture can lead to increased fuel consumption.
  • Increased emissions: An improper air-fuel mixture can cause higher emissions, potentially leading to failed emissions tests.
  • Difficulty starting the engine: Especially in cold weather, the engine may have trouble starting.
  • Engine misfires or rough idling: The engine may run unevenly, leading to a rough driving experience.
  • Potential damage to the catalytic converter: If left unaddressed, this issue can cause damage to the catalytic converter over time.

Diagnosing and Fixing P0107

Here’s a comprehensive guide to diagnosing and fixing the P0107 code:

Symptoms to Look Out For:

  • Illuminated check engine light
  • Hard starting, especially in cold weather
  • Reduced engine power
  • Poor fuel economy
  • Engine misfires or runs rough
  • Excessive exhaust smoke

Diagnostic Steps:

  1. Use an OBD-II scanner: Confirm the P0107 code and check for any additional codes.
  2. Visually inspect the MAP sensor and wiring: Look for damage or loose connections.
  3. Check the resistance of the MAP sensor: Use a multimeter to measure the sensor’s resistance.
  4. Inspect the fuse for the MAP sensor circuit: Ensure the fuse is not blown.
  5. Examine the engine wiring harness: Look for any damage or exposed wires.
  6. Check the battery voltage: Ensure it’s sufficient for proper sensor operation.

Potential Fixes:

  • Replace a faulty MAP sensor: This is often the most straightforward solution.
  • Repair or replace damaged wiring or connectors: Ensure all connections are secure and free of corrosion.
  • Replace a blown fuse: If the fuse for the MAP sensor circuit is blown, replace it.
  • Clean corroded electrical connections: Ensure all connections are clean and secure.
  • Update the PCM software: In some cases, a software update may be necessary.

Frequently Asked Questions

Is it safe to drive with the P0107 code?

While your vehicle may still run, it’s not recommended to drive for extended periods with this code. The engine may run poorly, especially in cold weather, and you could risk damaging your catalytic converter.

How much does it cost to fix a P0107 code?

Costs can vary depending on the root cause and your specific vehicle model. Replacing a MAP sensor typically costs between $200-$500, while more complex issues involving wiring or the PCM can range from $500 to $1000 or more.

How can I prevent the P0107 code from occurring?

Regular maintenance is key. Keep up with your vehicle’s recommended service schedule, use high-quality fuel, and address any engine performance issues promptly. Also, avoid exposing engine components to excessive moisture or heat.


The P0107 code is more than just an annoying check engine light – it’s a sign that your vehicle’s emission control system is struggling to operate efficiently. Addressing this issue promptly can prevent more serious engine problems, improve your fuel economy, and ensure your vehicle passes emissions tests.

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.