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  1. #1
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    02 Air/Fuel Sensor Froze

    i have an AEM Wideband Air/ Fuel 02 Sensor. and was install my new 3" y pipe and after that the sensor is working but froze at 14.7. will anyone know the problem to this and all the wires are fine.

  2. #2
    Veteran pajeff02's Avatar
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    Feb 2009
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    '02 WS.6 / '07 Suburban

    Hmmm, I would start by disconnecting power to the unit and allowing it to sit for a few minutes before hooking it back up. Does it self-test or go through a sensor heater cycle when you turn on the ignition?

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