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TitanTech659 · 05-01-2008, 06:36 PM

The fuel treatment didn't cause the Large EVAP Leak code. More than likely you either didn't get your gas cap on tight or the tether got stuck under it when you put it on. The locking gas caps have been known to cause this code as well. Just put the old one back on and make sure it is tight. If the light still comes back on you'll probably have to get a new factory gas cap.

05-01-2008, 06:36 PM	#3 (permalink)
TitanTech659 Registered User iTrader: (0) Join Date: Dec 2005 Location: Lincoln, NE Posts: 485 Thanks: 0 Thanked 0 Times in 0 Posts	Re: EVAP Large Leak The fuel treatment didn't cause the Large EVAP Leak code. More than likely you either didn't get your gas cap on tight or the tether got stuck under it when you put it on. The locking gas caps have been known to cause this code as well. Just put the old one back on and make sure it is tight. If the light still comes back on you'll probably have to get a new factory gas cap. __________________ Surrounded by idgits, we press on.