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Thread: repair an 8051 PCM

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  3. #33
    Fuel Injected!
    Join Date
    Dec 2013
    Age
    31
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    54
    Quote Originally Posted by steveo View Post
    your aldl comms might be sketchy, but is it throwing any DTC errors?
    no codes that I can see.

    Quote Originally Posted by steveo View Post
    oh also make sure the ecm has been booted up for a little bit (30 secs i think?). before flashing
    I will try to let it sit for a little bit next time.

  4. #34
    Fuel Injected!
    Join Date
    Dec 2013
    Age
    31
    Posts
    54
    Letting the pcm "boot up" made all the difference. One thing I am noticing, one of my chips keeps hanging at the same address. Is this likely a failing chip? I am also seeing data breaks while data logging, this proceeded the first crash.

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