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Fault Code P0401

Code meaning, symptoms, possible causes, part number, and estimated cost.

P0401

Exhaust Gas Recirculation Flow Insufficient Detected

Severity: Medium

Insufficient EGR flow. Valve not opening enough.

Part Details

Part Name

EGR valve

Reference P/N (OEM)

25620-27060

General part number for this fault code — not necessarily for your specific vehicle

Estimated Cost

₪400 - ₪1,200

Engine Location

Air intake manifold

Symptoms

  • Check Engine light
  • Engine knocking under load

Possible Causes

  • 1Clogged EGR valve
  • 2EGR passages clogged with soot
  • 3Faulty EGR solenoid

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