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Sienna Van - Preparation

posted Jul 9, 2016, 2:05 PM by Quoc-Anh Vuong   [ updated Jul 12, 2016, 2:12 PM ]
In preparation for the upcoming driving trips using the 2004 Sienna van, we replaced the both rear struts, cabin filter, air filter, and also cleaned the throttle body really well. We also clean the inside and cleared the CEL. The code we read out of the CEL are followed: P0128, P0300, P0304, P0306 and P0430. We plan to have the van tuned up before the trip, so the only one which trouble me a bit is the P0430. However, we cleaned the throttle body and replaced the air filter, so we hope that takes care of this code. The P0430 is:

Basically this means that the oxygen sensor downstream of the catalytic converter on bank 2 is detecting that the converter is not working as efficiently as it should be (according to specs). It is part of the vehicle emissions system.

This is the sensor for bank 2, upstream sensor 1: Denso 234-9042 Air Fuel Ratio Sensor

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Quoc-Anh Vuong,
Jul 11, 2016, 10:39 AM
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Quoc-Anh Vuong,
Jul 11, 2016, 10:39 AM
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