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NGK AFX problems

Posted: Fri Aug 22, 2008 7:18 pm
by Printz
I have a NGK AFX wideband, I connected the analog output wire to the ecu. It reads the wideband but the numbers are way wrong. I clipped the resistors on the board, I don't remember the numbers of my head. So, no matter what voltage I put in to compensate it's still wrong. The numbers go rich when it's lean and lean when it's rich.

Posted: Thu Sep 04, 2008 7:52 pm
by Printz
Almost a month, anyone know anything?

Posted: Sat Sep 06, 2008 5:35 am
by Greg Amy
<shrug> My AFX works fine, as expected. I'd suggest rechecking your wiring, especially the grounds, and confirm the AFX output using a VOM.