On Thu, Sep 24, 2009 at 12:09 AM, Steve Marinello <smarinello at entouch.net> wrote: > Would the O2 sensor even keep it from starting? Nope. The sensor takes a bit to warm up; until then, the ECU flies mostly off the MAF, and coolant temperature sensor for enrichment. Crank it for 15 sec, leave the ignition on, pull codes? -B