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Prius Plug-in
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Repair and Diagnosis
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Engine Control System - Diagnostic Codes (P0327-P1423) (Plug-In)
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SFI System
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DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected [08/2014 - ]
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
Manifold pressure change
Less than 1 kPa (7.5 mmHg)
At engine speed
1050 rpm