Hey guys.....
Does a 2001 4.3L have Narrowband or Wideband Oxygen sensors???
All indications and other sites claim they are Narrowband. But, at least my Astro has 4 wires on them and 2 of them are SIGNAL wires, one is a High Signal and the other is a Low Signal.
I'm doing some tuning and having a heck of a time with the O2 sensors. I'm wondering if they are wideband, but don't know. Below is a pic of the wiring connector.
Does a 2001 4.3L have Narrowband or Wideband Oxygen sensors???
All indications and other sites claim they are Narrowband. But, at least my Astro has 4 wires on them and 2 of them are SIGNAL wires, one is a High Signal and the other is a Low Signal.
I'm doing some tuning and having a heck of a time with the O2 sensors. I'm wondering if they are wideband, but don't know. Below is a pic of the wiring connector.