Look for someone with knowledge on these as it must be quite rare since I am an
American car guy and haven't seen one. Car looks to be original and not aftermarket or
home done. Where can I get info...
I have a 1992 Pontiac Sunbird with 3.1 V6, automatic trans.
It will not pass Georgia Emissions testing. It fails
with high NOx. I was told by local mechanic that
failing on NOx is caused by either E...