Fast box bad??

allgojoe

New Member
Joined
May 12, 2002
Anyone have any problems with theres before? here is my problem, hammer on the car and the iac code comes up and the car falls on its face, misfires, re start car with no code and the car runs fine once then the same code comes up and then misfires again, could it be in the box?? New iac on it to and how does that code make it misfire?? Thanks
 
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