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Detonation knock sensor for the 1.8 TDCi engine in a Ford Focus Mk 1 (1998–2004). This sensor detects engine knock and sends a signal to the ECU to adjust ignition timing and prevent engine damage. OEM code 1N1A12A699AA. Verify fitment against your original unit's part number before ordering, as sensor fitment varies by engine variant and control module configuration.
Detonation knock sensor for the 1.8 TDCi engine in a Ford Focus Mk 1 (1998–2004). This sensor detects engine knock and sends a signal to the ECU to adjust ignition timing and prevent engine damage. OEM code 1N1A12A699AA. Verify fitment against your original unit's part number before ordering, as sensor fitment varies by engine variant and control module configuration.
