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The NGK 4-wire air–fuel (A/F) sensor for Toyota RAV4 (2001–2003) delivers a linear wideband signal so the ECU can measure exact air–fuel ratios for finer mixture control, improved combustion and lower emissions. It combines NTK wideband ceramic technology with a 3-stage contaminant‑resistant plasma jet and deposit-trap overcoat to protect the sensing element from poisoning. NTK refines designs alongside OEMs to ensure reliable, accurate operation.
NGK Toyota RAV4 2003-2001 Direct Fit 4-Wire A/F Sensor
