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Home >> Nissan-Datsun >> 2003 >> Frontier Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1400: EGR Control Solenoid Valve >> Possible Causes

Possible Causes

Malfunction is detected when an improper voltage signal is sent to ECM through EGRC solenoid valve. Possible causes are: