Thread: New Guy & Electronic Tek With GM Service Manuals

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  1. #1 Re: New Guy & Electronic Tek With GM Service Manuals 
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    Welcome!

    ECM IIRC is basically a part of the PCM. Instead of having a separate ECM and TCM we have one which does both. hence PCM.

    Autotap looks pretty interesting... Can you record the live data?
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  2. #2 Re: New Guy & Electronic Tek With GM Service Manuals 
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    On the Question on AutoTap. Yes you can. It is nice, so later when you have a problem with a sensor or general wiring problem. You can check your old data to your new data and find the problem. It helped me find a problem with my two oxygen sensors. They where not running in sync with one another and this was causing me to have so pick up performance. Thanks for asking.
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    Customizing my 1999 Grand Prix
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