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This may seem stupid, but I am a new FocusFanatic.... I have a 2003 SVT 5 door and a 2004 SVT 5 door, the 03 is black number 733 and the 04 is silver number 433. My question...
I have a high idle issue with the 2003, I have changed the PCV hose the TPS and some of the vacuum lines, However it did no good. Any thoughts?
 

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This may seem stupid, but I am a new FocusFanatic.... I have a 2003 SVT 5 door and a 2004 SVT 5 door, the 03 is black number 733 and the 04 is silver number 433. My question...
I have a high idle issue with the 2003, I have changed the PCV hose the TPS and some of the vacuum lines, However it did no good. Any thoughts?
How high? Cold only? Hot only? Intermittent or constant? Usually, vacuum/PCV leaks tend to cause low & rough idle.
 
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