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    OBD2 not sending?

    Hi. I’ve tried to search the forums for this issue but don’t see it. If anyone can point me in the right direction it’d be great. I have a wireless (WiFi) ELM type scanner. It works great in my wifes Pontiac GrandAm. But in my 2004 Trailblazer, it will send data until the outside temp, ( and...

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