i got a loaned LM2, im using the adapter that goes at the end of my exhaust, but the scanner is giving me weird readings, the hand held reads huge numbers like 35 and 50 at idle (reads 20.4 on free air) but on the vcm scanner it says a number closer to what id expect like 14.7-15.3 at idle, which looks to me more in line to what my fuel trims read (14.66 commanded with +/- 3 stft and 0 ltft) im at a loss here, im supposed to make what the scanner reads the same as what the handheld does, but it seems the handheld is what is reading weird.
is this a common problem?
read the manual and it didnt say anything about that, is it the sensor going bad?
Is there a different setting for when its used on the exhaust tip?