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Can anyone tell me the meaning of error code ecu 128 sid 146 fail 07 on a 2006 Freightliner with an MBE 4000 engine?

The error code ECU 128 SID 146 FAIL 07 on a 2006 Freightliner with an MBE 4000 engine indicates a fault in the engine control unit (ECU). The specific code relates to a problem with the exhaust gas recirculation (EGR) valve position sensor.

Here are some possible causes for this error code:

- Faulty EGR valve position sensor

- Wiring or connector issues related to the EGR valve position sensor

- Problems with the ECU itself

- Issues with the EGR valve or related components

To resolve this error code, it is recommended to have the vehicle diagnosed by a qualified technician who can properly diagnose and repair the underlying issue.