Originally Posted by WRXmeinMD
Ive been looking at the prosport gauge and it uses the Bosch Lsu 4.9 Oxygen sensor which is supposed to be thee best one out. Id like to see comparisons between the Lc1, Lm1, Prosport, and Aem gauges to see a definitive as to whats what.
Apparently you didnt fully comprehend what was said in this thread. The accuracy issues have NOTHING to do with the sensor. Its the controller unit and electronics inside the gauge itself that are crap.