Well, the intake makes a rattleing sound I bought a new one it sounds like a WRX but still has trottle problems. It bogs down and as soon as it hits 3000RPMs it rattles still I need help its giving me a damn headache. and Chiltons manuals all exclude the SVT.
Car bogs and runs rough on 2003 Ford Focus SVT
by Visitor in Wahiawa, HI on March 13, 2010
ANSWER by Visitor , July 22, 2011
i have a 2003 ford focus svt and i have the same exact problem...just started doing it one day. still trying to figure out the problem