Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum - View Single Post - need re-tune after battery disconnect?
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Old 09-15-2012, 12:07 AM   #10
mikebontoft
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that part sounds related to the clutch install.

your weird running deal is characteristic of these cars when the battery is disconnected. It needs to go through the relearn procedure sleepy mentioned. It will not erase your tune.
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