I have the ProCal as well. I didn't notice anything but just wanted to check for codes after installing yesterday.... Appreciate itI have a FORD Perf ProCal and have added their performance tune, and the upgraded steering rack as well, and did not notice any codes. I can take a look again. My bronco went back to them (Injen) to dyno tune and record at that time they didn't report anything to me. But now, I'm curious. If I've been driving around for 2+ years with a code and an unknown issue, I definitely haven't felt anything. Bronco makes boost quick, and smooth from idle to 100 MPH.
~ I've also left a VM w/Injen to see what they say as well
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