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The NGK 4-wire air–fuel sensor for Toyota Camry (1997–1999) supplies a linear wideband signal that lets the ECU measure exact air–fuel ratio for precise mixture control, improving combustion and emissions management. NTK ceramic sensing technology and full control of ceramics from raw material to finished product support consistent output; the element includes a 3-stage contaminant-resistant plasma-jet and deposit-trap overcoat to resist poisoning.
NGK Toyota Camry 1999-1997 Direct Fit 4-Wire A/F Sensor
