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Tag: SID212EVO

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Technician checking live NOx sensor data on a Ford EcoBlue van for a SID212EVO P20EE SCR efficiency fault that keeps returning

SID212EVO P20EE SCR Efficiency Fault: Why It Keeps Coming Back

SID212EVO P20EE SCR Efficiency Fault: Why It Keeps Coming Back Quick answer: P20EE means the ECU thinks the SCR system is not reducing NOx enough. On SID212EVO, it often returns because the root cause sits upstream of the part you replaced. Common triggers include NOx sensor drift, AdBlue dosing issues,…

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Ford EcoBlue van in a workshop with diagnostic scanner connected for SID212EVO AdBlue faults

SID212EVO AdBlue Faults Explained: The Complete Ford EcoBlue Guide (2026)

SID212EVO AdBlue Faults Explained: The Complete Ford EcoBlue Guide (2026) Quick answer: SID212EVO runs the AdBlue (SCR) logic on many Ford EcoBlue diesels. Most “AdBlue warning” problems come from pressure, quality, or SCR efficiency checks failing. If you see a no-start countdown, diagnose the right system early so you don’t…

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