Tuned by frost 4L80E conversion harness and T42 compatibility

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Originally Posted by BLK02WS6

I'm not sure about other OS's. I think we may have it working now with doing what Steve says above - set P0717 to not reported and set the internal gear ratios. We are still having problems, but I believe they are all in the ECM now. Thanks for checking in!

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Can you share a log of the lean spikes including bank 1 and bank 2 O2 mv? I'm curious if bank 1 is going lean while bank 2 is still working as normal as mine was doing.

Not sure if we're logging O2s. I know we were logging injector pw and they were both the same

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Originally Posted by Shupe

Can you share a log of the lean spikes including bank 1 and bank 2 O2 mv? I'm curious if bank 1 is going lean while bank 2 is still working as normal as mine was doing.

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Here's the other thread: turbo-Silverado-lean-spikes-stumble

look at the log file, you will see the WO2LAM1 poking slightly above 1.00 in various places for no real reason, and in some places it pegs high (for example during boost).