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Thread: ls1b car won't start without flashscan V2 plugged in

  1. #1
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    Default ls1b car won't start without flashscan V2 plugged in

    My 2001 camaro with ls1B ecu won't start unless the flashscan v2 us plugged in. I have tried to do a full flash and it says it's successful. I put the same tune on a second ls1b ecu in the same car and nothing changed. Thanks in advance for any help I get with this issue.

  2. #2
    Lifetime Member minytrker's Avatar
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    Check your ground wires on the back of the driver head. Every Time I have seen that exact same thing one of those grounds was broke.

  3. #3
    Joe (Moderator) joecar's Avatar
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    +1

    ( the V2 is completing a missing/broken ground connection )

  4. #4
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    I'll have to check that. Thanks very much!

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