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Please Help, LEAN condition after motor swap

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Old Aug 21, 2007 | 09:34 AM
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Default Please Help, LEAN condition after motor swap

Alright just got an LS6 shortblock installed and its running lean. Sometime it will switch back to rich and then switch back to lean(which is good to go back and forth). But most of the time it sits in the lean.

If one of the voltage's on my B1 Oxy sensor is stuck at a constant 450mV does that mean its dead, and would be a good cause for the lean condition??


All intake bolts are tightened down, call connectors connected, and all vacuum lines are hooked up.



I have an OBDII data streaming gauge to watch voltage and fuel trims, and I look at a narrowband just for a overall look(i know its not exact). The narrow band is connected to the blue PCM wire. Is there a possibility that the narrow band is hooked up to the bad Oxygen sensor?


Please help me!
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