What is MID 125 & How to Solve It?

What is MID 125:

MID 125 refers to an issue with the Exhaust Gas Recirculation (EGR) Valve. The ECM detects a malfunction in the EGR valve circuit, which can lead to improper exhaust gas flow and potentially reduce engine efficiency and increase emissions.

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Why This Happens:

• Faulty EGR valve.
  
• Shorted or damaged wiring in the EGR system circuit.
  
• Blocked or contaminated exhaust system affecting EGR function.
  
• Loose or corroded connectors.
  
• ECM failure to interpret EGR data correctly.
  
  

How to Fix It:

1. Inspect the EGR valve for damage or malfunction.
   
2. Test the EGR system to ensure proper function.
   
3. Check wiring and connectors for visible damage or corrosion.
   
4. Replace the faulty EGR valve if necessary.
   
5. Inspect the exhaust system for blockages or contamination affecting EGR flow.
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How to Avoid It Before It Happens:

• Regularly inspect the EGR valve and wiring.
  
• Clean the exhaust system regularly to ensure optimal performance.
  
• Keep connectors clean and free from corrosion.
  
• Perform routine diagnostic checks to monitor EGR valve function.
  
• Clue’s Equipment Maintenance services help monitor EGR valve performance to detect issues early before they affect engine efficiency.