Question

2005 Chevrolet Equinox with engine code P0054 what is the fix? I change the O2 sensor, but the code can back 3 weeks later

Answer 1

Hi there,

If changing the sensor hasn't solved the issue, it's likely a wiring issue. Here is some more info for you.

P0054 CHEVROLET - HO2S Heater Resistance Bank 1 Sensor 2
Read more: https://www.autocodes.com/p0054_chevrolet.html