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2004 Toyota Sienna Oxygen Sensor. 1-12 of 12 Results. Hello I have been looking on the internet but havent got a concrete answer on how to exactly splice into my 2004 Toyota Sienna o2 sensor to trick the ECU into not throwing a check engine lite and all monitors ready for emissions. As part of the emission control system the o2 sensor for Toyota Sienna reads the air-fuel ratio of the exhaust fumes coming from the engine. Genuine Toyota Part - 8946707030 171400P040 89467-07030 8946733170.
Select a quality replacement from a wide range of Toyota Sienna oxygen sensors at AutoZone. Oxygen O2 Sensor Upstream 234-9021 Compatible With Toyota Avalon 30L 2000-2004 Sienna Solara 30L 2001-2003 Lexus ES300 2000-2001 Air Fuel Ratio Sensor 35 out of 5 stars 31 4799 47. If you notice a drop in your Toyotas fuel economy the vehicle runs rough and the exhaust smells strong or the engine is hard to start you may have a faulty oxygen sensor. The device is key in monitoring fuel economy. This is a known problem - pretty much all of the O2 sensors will crap out at about 100000 miles. P0037HO2S Heater Control Circuit Low B1S2 P0057HO2S Heater Control Circuit Low B2S2 P2241O2 Sensor Pumping Current Circuit Low B2S1 and P2238O2 Sensor Pumping Current Circuit Low B1S1.
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2004 Toyota Sienna Oxygen Sensor. Toyota Sienna Oxygen Sensor Part Number. If you notice a drop in your Toyotas fuel economy the vehicle runs rough and the exhaust smells strong or the engine is hard to start you may have a faulty oxygen sensor. This is a known problem - pretty much all of the O2 sensors will crap out at about 100000 miles. Select a quality replacement from a wide range of Toyota Sienna oxygen sensors at AutoZone. The oxygen or O2 sensor reads the percentage of oxygen in the exhaust coming from the engine and sends this information to the computer.