89 2.9. smooth, but backfires under load. pulled codes. Two 'goods', but with a memory code of 16. My cribsheet says code 16 is "ignition diagnostic monitor (IDM) not detected". What is that? Where is that? :icon_confused:
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.