ok, not really sure if this is the right section.............

working on a '98 Sunfire. eratic idle, and throwing codes like crazy. here's a scan of the print-out of the last scan i did on it. i know it's sideways, but i put it like that so it would be bigger (although a little harder to read).



anybody mess with these things much? i'm guessing the Crank sensor is the main culprit behind the eratic idle, but i'm thinking th 2nd O2 is because of the 1st one not working.

ideas? suggestions?

 

I would start with investigating for burned and cracked wires for the upstream O2 and replacing and go for a drive and see where that gets you.

What scantool are you using? You get a little more info than my handheld gives me and fathers day is coming up!