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problems after tranny swap

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Old Nov 1, 2007 | 11:55 AM
  #1  
twokss's Avatar
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From: Wenonah nj
Default problems after tranny swap

ok, my buddy and I just did an auto to manual swap, (plus some other junk...Longtubes, LS6 intake, pptb, truduals) and the car has a few issues.
first off, shortly after starting the car it will start to miss. Its throwing "low o2 voltage" for bank 1 and 2. since the swap, the car has yet to get a tune. we are just trying to get the car driveable for now. its running the stock auto pcm which still have all of the auto codes in it.

so my questions are...
What could possibly be the reason for the low o2 voltage?
What harm could the auto trans codes do to the performance of the car? (we are trying to get someone to erase them for us)
Do you need a certain pcm for the swap or is either the manual or auto pcm fine being that it will be reprogrammed during tune?
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Old Nov 2, 2007 | 12:55 PM
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I'd think the low o2 voltage would be from the header/td swap? Did you put in o2 sims? If not you have to tune that code out.
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