NGK OE Type 5-Wire Wideband A/F Sensor 2001-lexus-gs300-esi9774307 Stage one systems include a

Stage one systems include a wide open throttle activation switch while stage 2 and stage 3 systems include digital progressive controllers that control water methanol output

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NGK OE Type 5-Wire Wideband A/F Sensor 2001-lexus-gs300-esi9774307 Stage one systems include aNTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how