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The causes have been highlighted here but solutions were not provided....Please what are the possible solutions to this problem....??

Vehicle: 2004, TOYOTA SIENNA, CE, 230 hp @ 5600 rpm

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Hi there,

Possible solutions are the sensor itself, the wiring to the sensor. A faulty O2 sensor relay, blown fuse or the ecm. These all have to be eliminated to determine the cause of the issue.

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