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This lambda sensor measures oxygen concentration in the exhaust gases, helping optimize the air-fuel mixture for efficiency and reduced emissions on your Ford Fiesta Mk 6 with the 1.25 petrol engine. The unit shows visible rust and wear on the threaded section and metal body. Match the OEM codes AE819G444BB or 9G444BB against your original sensor before ordering to ensure proper fitment.
This lambda sensor measures oxygen concentration in the exhaust gases, helping optimize the air-fuel mixture for efficiency and reduced emissions on your Ford Fiesta Mk 6 with the 1.25 petrol engine. The unit shows visible rust and wear on the threaded section and metal body. Match the OEM codes AE819G444BB or 9G444BB against your original sensor before ordering to ensure proper fitment.