Quote:
Originally Posted by DarrenWS6
Rear O2 sensors are not turned off on catalyst emission monitoring from custom tunes are they? Is that more of a special request while ordering tune thing? Or is it possible to de-activate them from reading with the Gryphon?
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Upon special request Bill can turn them off when the tunes are written......
Otherwise a person can go with sct and turn them off with the hand held programmer...