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This picture was take before I did the TBI conversion. The sensor bung passes through the water jacket, so there is no contact with water. The O2 sensor shown in picture is not what I am...

RobertIsaar:

I tried your suggestion of grounding the o2 wire. The datalogger showed 4.5mV. with no fluctuations.

The 438mV to 455mV readings were recorded after I ungrounded the o2 wire. With...

In turnerpro ($42-1227747-V5.9.3.xdf) there are two tables that affect fuel when cranking:

-cold start crank vs %RPM
-crank AFR during cranking

From what I understand the "cold start crank vs...