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Title: Denso O2 Sensor
Review: The Denso 234-9009 is a high quality replacement Oxygen and Air/Fuel sensor for my 2000 Lexus RX300. The new unit solved the Check Engine light problem with code errors P1150, P1135, and P0171. The most difficult part of the replacement was to separate the connector of the old unit. It is difficult to press the plastic release tab while pulling the connector apart. The sensor that I needed to replace has its connector between the engine and the firewall with little room to work in. I clamped the o2 connector with vice-grips and pushed the connector apart while using a bent screwdriver to depress the plastic tab.
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