What is MID 38 & How to Solve It?

Learn what MID 38 means, its main causes, and how to fix it quickly to keep your equipment running safely and efficiently.

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Table of Content

What is MID 38:

MID 38 refers to an issue with the Turbocharger Boost Pressure Sensor. The ECM detects an out-of-range signal from the sensor, which can affect boost pressure regulation and lead to reduced engine power, poor acceleration, or inefficient fuel economy.

Why This Happens:

  • Faulty turbocharger boost pressure sensor.
  • Shorted or damaged wiring in the sensor circuit.
  • Loose or corroded sensor connectors.
  • Malfunctioning turbocharger affecting boost pressure.
  • ECM failure to process the sensor’s signal.

How to Fix It:

  1. Inspect the turbocharger boost pressure sensor for visible damage or malfunction.
  2. Test the sensor’s voltage and resistance to ensure it’s functioning within specifications.
  3. Check wiring and connectors for visible damage or corrosion.
  4. Replace the faulty turbocharger boost pressure sensor if necessary.
  5. Inspect the turbocharger system for any performance issues such as low or high boost pressure.

How to Avoid It Before It Happens:

  • Regularly inspect the turbocharger boost pressure sensor and wiring.
  • Perform routine turbocharger system maintenance.
  • Keep connectors clean and corrosion-free.
  • Perform diagnostic checks to monitor turbo system health.
  • Clue’s Equipment Maintenance services help monitor turbocharger performance and detect issues early before they affect engine operation.

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