P CODES (POWERTRAIN) P0001 - P0099 P0054 Questions

MIL Light, P0054 Code, Help?!

2005 FORD FOCUS
The Mil Light Is On, After Being Given The 54 Code, And Advice To Replace The Sensor, We Replaced The Downstream Sensor With An Oem Part....
2 ANSWERS
Asked by Shelly369

2007 Chevrolet Malibu P0036, P0141, P0054

2007 CHEVROLET MALIBU
I'm Getting All The Above Codes. I've Replaced The Bank 1 Sensor 2 O2 Sensor And Had Wiring Checked. I Was Told I Need A New Fuse Block;...
11 ANSWERS
Asked by kristinawhite09

Check Engine Code P0054

2005 FORD FOCUS
I Recently Had A P0420 Code Come Up On My Car. So I Changed Out The O2 Sensor. After Changing That I Got A P0054 Code So I Changed Out The...
3 ANSWERS
Asked by lglreaves