If the venturi tube is installed, then a tune is not required. I would ensure there are no leaks and also, it is very easy to accidentally put the maf sensor in backwards. I'd make sure that is in its correct orientation and clean.
Answered by Karson S. from Hewitt | Comment 0 0
Ford Mustang - 2011 (11) - 2012 (12) - 2013 (13) - 2014 (14)