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P1400 — EGR Valve Position Sensor Circuit (Ford/Nissan)

Ford/Nissan-specific: EGR valve position sensor circuit malfunction.

Severity: MediumRepair: $50-$400Difficulty: Medium

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Common symptoms of P1400

Common causes of P1400

Repair cost & difficulty

Typical cost to fix P1400: $50-$400 · Difficulty: Medium

Pro tip: Clean the EGR valve. Carbon buildup around the position sensor is the most common cause.

Vehicles commonly affected

Ford, Nissan

Related trouble codes

P0400P0401P0404

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ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.