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K&N Cold Air Intake need help

757 views 2 replies 3 participants last post by  1turbofocus 
#1 ·
Ok so I just got a 03 Focus ZX3 2.0 5 speed manual and it already had a K&N cold air intake now getting a code P0172 running too rich bank 1 is there a Tune or something I can do to make it NOT run to Rich cause when u come to a stop the car will Cut off and u have to start back what can I do to fix it
 
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