If you happened to be driving by a gas station or a car running pig rich right when you turned your AC on it might have just been a coincidence. Better safe than sorry tho, good you checked.
2000 Mustang GT Steeda #0048 34k miles. 99 Cobra 4V swapped, FTBR IRS swapped, exhaust, tuned by James Gordon.
Just because I give you advice, doesn't mean I know more than you. Its just means I've done more stupid ****.