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The ACD Performance Module sends a modified signal through an engine data sensor, causing your factory Engine Control Module to reprogram itself for a more efficient air/fuel ratio and timing curve,
^^^What he said!!!!!Look at how they claim to do what they do.
Anything that says anything to this effect:
is a load of crap.
Lmao ok i guess i should forget about those chips then...its just so tempting to try cause there cheap. Thanks for the heads up guys. Is there any in particular that u guys have worked with or own that u prefer?