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Prius Plug-in
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Engine Control System (Plug-In) (Diagnostic Codes (P0010-P0454))
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SFI System
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DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected
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Typical Malfunction Thresholds
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Typical Malfunction Thresholds
Manifold pressure change
Less than 1 kPa(gauge) [7.5 mmHg(gauge)]
At engine speed
1050 rpm