SRT_punisher Posted December 20, 2021 Share Posted December 20, 2021 Good day everyone, I have a 2013 FFH SE with 224,000 miles on it. So 5 days ago, while on my way home from work, the yellow wrench light came on with the "see service manual" message. I was no longer able to use my cruise control, the car got louder, and my MPG went from 40mpg to 30mpg. I've spent the last 5 days trying to get to the bottom of the issue on my own before I give in and go to the stealership. I've changed the trans fluid, since i haven't in far too long. Added coolant and oil, since they were both below normal levels. I brought the car over to Autozone to have it scanned, and it came up as a downstream 02 sensor needing replacement. I took on that battle and replaced the 02 sensor. I unplugged the battery wit the hopes of clearing the code forever. Forever lasted 4 minutes and the code came right back. Went back to Autozone and the 02 code still remains. Does anyone have any insight or info as to what the hell is wrong with my car?? Thank you in advance for any help or info you can offer.... 0 Quote Link to comment Share on other sites More sharing options...
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