hi guys im trying to find info on wideband 02 sensors and controllers,for a 1989 300ce,is there a setup available for my model and is it even worth adding,is there a noticible difference in performance gained? ive seen what a power comander does for turbo deisels,but what about gasoline engines>thanks guys.

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Only the original sensor will work with that CIS fuel system & they work quite well for
10+ years.

At WOT the O2 sensor doesn't even do anything.

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