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2003 Ford Focus ZX3 5 Speed
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6 Posts
Discussion Starter #1
  1. I’ve got a 2003 Ford Focus ZX3 2.0 and whoever had it b4 Put a K&NCold Air Intake so the issue is when the car gets hot after ridding it some when u come to a red light or stop Sign it cuts off and styles out you have to start the car back up I had a guy look at it he thanks it’s the cold air intake where it’s not in a Box it’s getting too hot around the sensor and confusing the car and makeing it cut off if anyone else no what the problem could be or has any information I would appreciate the help
 

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2006 ZX5 2.0, 2004 ZX3 SVT EE. 2004 ZX3 SVT
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1,346 Posts
On this model the pcv hose coming out of the back of the intake gets rotten and causes a vacuum leak.
 
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