P2143
EGR Vent Control Circuit/Open
OBD-II
EGR
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P0400
Exhaust Gas Recirculation Flow
EGRMedium
P0401
EGR Flow Insufficient Detected
EGRMedium
P0402
EGR Flow Excessive Detected
EGRMedium
P0403
EGR Control Circuit
EGRMedium
P0404
EGR Circuit Range/Performance
EGRMedium
P0405
EGR Sensor A Circuit Low
EGRMedium
P0406
EGR Sensor A Circuit High
EGRMedium
P2141
EGR Throttle Control Circuit Low
EGRMedium
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.