2005-2010 V6 Mustang Tech
i have a 2005 mustang manual V6, when in 1st or any other gear, it will only let me rev up to 4000 RPM, than the car will make a noise letting u know, yo you not going past 4000 RPM. I RED LINE BETWEEN 6-7K RPM. why is it doin this and what can i do to get full power out of my mustang?