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Thread: Engine swap
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Old 08-10-2012, 08:21 AM   #1
Focus Jr. Enthusiast
Join Date: Jan 2005
Fan#: 17957
Location: vacaville california 95688
What I Drive: 02 sonic blu svt focus

Posts: 27
FF Reputation: 1 JETBLEU Good Standing Member
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Engine swap

I swapped out my orig 2002 svt motor with a lower mile 2004 motor. I went to have it smogged and it didn't pass. Do I need to have the ecu reflagged to match up? Or what? Only mods are throttle body , intake and coil/ wires.

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