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Check engine light came back on after i changed the sensor

Vehicle: 2000 buick regal ls 3.8

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Hi there,

If the light comes right back on it is usually due to a wiring issue out at the sensor. It's possible or you should check to make sure there is power on the wires to the sensor. If there is power, make sure to look a the sensor. Aftermarket sensors sometimes are fauly right out of the box.

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