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P0054 2005 chevrolet equinox. I changed the downstream Oxigen sensor. CEL back on after 20 miles drive. Thanks

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2005 chevy equinox LS 3.4 engine.

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HI there

This code is for a problem with the heater circuit on the bank 1 sensor 2. This is the sensor AFTER the converter on bank 1. If you used a direct fit sensor, the wiring must be tested.

P0054 CHEVROLET - HO2S Heater Resistance Bank 1 Sensor 2

Read more: https://www.autocodes.com/p0054_chevrolet.html

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2005 Chevrolet Equinox with engine code P0054 what is the fix?
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