What is MID 20:
MID 20 refers to a problem with the Fuel Injector Control Module (FICM). The ECM detects that the FICM is malfunctioning or sending out-of-range signals, which can lead to improper fuel injector operation, poor fuel economy, and engine stalling.
Why This Happens:
- Faulty FICM.
- Shorted or damaged wiring in the FICM circuit.
- Loose or corroded connectors in the FICM circuit.
- Power supply issues affecting the FICM.
- ECM misinterpretation of the FICM signal.
How to Fix It:
- Inspect the Fuel Injector Control Module (FICM) and wiring for visible damage or malfunction.
- Test the FICM to ensure it is functioning correctly.
- Check connectors for cleanliness and tightness.
- Replace the faulty FICM if necessary.
- Ensure stable power supply and ECM communication with the FICM.
How to Avoid It Before It Happens:
- Regularly inspect the FICM and wiring for wear and damage.
- Keep connectors clean and free from corrosion.
- Perform routine diagnostic checks to monitor FICM performance.
- Ensure stable power supply to the FICM and ECM.
- Clue’s Fuel Management services track fuel injector control systems to ensure proper operation and prevent issues before they affect engine performance.