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Discussion Starter #1
okay so I recently hooked up both the aem wideband gauge and the fjo wideband.

they are both grounded to the same place (chassis ground) but they both read differently.

at times (FJO reads a bit more lean by about 0.5 a/f).. I connected it to the aem v2 and in the wizard I selected the fjo (in o2 #2). it reads almost 2 points off (11.0 on wideband and 12.0 on aem).. I manually lowered the entire calibration graph, but it looks like in the higher a/f (higher volts) it reads too high as well so I have to lower the curve on the higher end of the graph..

is that okay and recommended to do so?
 
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