Question about 2001 Lexus RX 300
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Posted on Jan 02, 2017
Sounds like the Oxygen sensor in the exhaust may not be working effectively. Check the connections and wiring running to it. The Oxygen sensor only starts to work when hot so be careful. The sensor outputs a pulse of voltage when the engine is running. If the voltage output is steady then it needs replacing.
Posted on May 28, 2010
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