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Discussion Starter · #1 ·
As in the description, I had a gtx 2867, fmic, dp, exhaust, tune, I decided to put the car back to stock minus the exhaust. I threw the original tune back on via my access port and it says engine fault service now and the code read is p1023. Any ideas? I clear the code and it comes right back when I turn the car on not even start it. I changed the map back to see if it would do anything, and still pops up.
 
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