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The NGK direct-fit oxygen sensor for Audi TT (2001–2006) provides continuous closed-loop feedback to the ECU to maintain proper air-fuel ratio and support OBDII diagnostics for fuel delivery and converter efficiency. NTK's ceramics-based manufacturing and iterative design work enhance element resilience, while the advanced ceramic element includes a contaminant-resistant plasma jet overcoat and deposit trap to protect against poisoning and extend service life.
NGK Audi TT 2006-2001 Direct Fit Oxygen Sensor
