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Home >> Mazda >> 2019 >> CX-9 Signature >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (1 Of 3) >> DTC P0131-00: A/F Sensor Circuit Low Input >> Repeatability Verification Procedure
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Repeatability Verification Procedure

  1. Start the engine and leave it idling for 1 min.