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Tuner in Training
LTFT Showing Zero's
Holden GenIII 5.7ltr, New Engine, LTFT showing zero in VCM Scanner. Cleaned O2 Sensors, Checked plugs. Scanner showing 450Mv for O2. LTFT Enabled in Editor. At a loss.
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Tuner
450mv is a default no signal. You probably have wiring issues.
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Tuner in Training
Thanks. I'll investigate all the wiring and connectors.
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Advanced Tuner
Check for power and ground at the oxygen sensor connector.
Then you can use a short peice of wire to jump out the pins to test the Min and Max readings with scanner connected.