Dead battery?
Seasoned HDF Member
Joined: Jan 2007
Posts: 20,616
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From: anacoco, la
if you are running stock, then after you replace your battery, there may be a 'slight' learning period for your ecm, but that is usually not terribly noticeable.
if you have a pciii, then the map is stored in the pciii and is not affected by the battery. i would assume the fuelpack, and other aftermarket black boxes are the same, but i could not say for sure.
you would also have to reset your clock.
if you have a pciii, then the map is stored in the pciii and is not affected by the battery. i would assume the fuelpack, and other aftermarket black boxes are the same, but i could not say for sure.
you would also have to reset your clock.
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