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EXHAUST MANIFOLD AND THREE WAY CATALYST EM-25 C D E F G H I J K L M A EM Exhaust Manifold ● Install exhaust manifold and three way catalyst in numerical ● Tighten nuts No. 1 to No. 4 in two steps. Order No. 9 to 12 Air Fuel Ratio sensor 1 and Heated Oxygen Sensor 2 ● Install air fuel ratio sensor and heated oxygen sensors in the original position. ● Install referring the following if the installation positions cannot * 1 : Length of bank1 for air fuel ratio sensor is different from bank2. 2 : Refer to CAUTION: ● Before installing a new air fuel ratio sensor 1 and a new heated oxygen sensor 2, clean exhaust ● Do not over torque the air fuel ratio sensor 1 and heated oxygen sensor 2. Doing so may cause PBIC0022E Glass tube color Air fuel ratio sensor 1 (bank 1)* 1 : Black Air fuel ratio sensor 1 (bank 2)* 1 : Black Heated oxygen sensor 2 (bank 1)* 2 : White Heated oxygen sensor 2 (bank 2)* 2 : White PBIC2652E |