OBD2 Error Code P0107: How to Fix It

Medium 1-2 hours High Severity Verified June 2026
Error Code
P0107
Brand
OBD2
Product Type
automotive
Severity
High
DIY Difficulty
Medium
Estimated Fix Time
1-2 hours
OBD2 error code P0107 indicates that your vehicle's Engine Control Module (ECM) has detected a low voltage signal from the Manifold Absolute Pressure (MAP) sensor circuit. This sensor measures engine vacuum and atmospheric pressure to help the ECM calculate proper fuel injection and ignition timing. When this code appears, your engine may experience poor performance, rough idling, or stalling.
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Tools You'll Need

How to Fix Error Code P0107

  1. Turn off engine and ensure safety

    Always disconnect the battery before working on electrical components to prevent shock or damage to sensitive electronics.
  2. Locate the MAP sensor

  3. Visually inspect the MAP sensor and wiring

  4. Test the MAP sensor voltage

    Be careful not to touch moving engine parts while testing with engine running.
  5. Check vacuum lines and connections

  6. Test sensor response with vacuum pump

  7. Replace the MAP sensor if faulty

    Use only OEM or high-quality aftermarket replacement parts to ensure proper operation.
  8. Clear codes and test drive

Parts You May Need

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When to Call a Professional

Call a professional mechanic if you're uncomfortable working with electrical systems, if the problem persists after MAP sensor replacement, or if you discover additional engine management system issues during diagnosis. Also seek professional help if you lack the proper diagnostic tools or if the vehicle is still under warranty.

Frequently Asked Questions

What causes P0107 error code?
P0107 is typically caused by a faulty MAP sensor, damaged wiring or connectors, vacuum leaks in the intake system, or contamination of the sensor from oil or carbon buildup.
Can I drive with P0107 code?
While you may be able to drive short distances, P0107 can cause poor fuel economy, rough idling, stalling, and potential engine damage. It's best to diagnose and fix the issue promptly.
How much does it cost to fix P0107?
Repair costs vary but typically range from $50-200 for a MAP sensor replacement if you do it yourself, or $150-400 if done professionally, depending on labor rates and part costs.
Will P0107 cause my car to fail emissions testing?
Yes, P0107 will likely cause your vehicle to fail emissions testing since it affects the engine management system's ability to maintain proper air-fuel ratios.