no start lots of codes network ?
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Northstar Engines and System Technical Discussion Discussion, no start lots of codes network ? in Cadillac Engine Technical Discussion; well as it says my car wont start it turns over but doesent want to start. i have checkd the ...
  1. #1
    smooththg6969's Avatar
    smooththg6969 is offline Cadillac Owners Fanatic
    Automobile(s): 99 Seville SLS( parts) ,98 sts
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    Feb 2003
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    no start lots of codes network ?

    well as it says my car wont start it turns over but doesent
    want to start. i have checkd the battery grounds harness and every thing i could think of. I do have a lot of codes but as far as P codes go i get no pcm data on the DIC and have a lot of U1255 codes current.
    i have these current code stored
    DIM U1255
    IPC U1255
    IPM
    VTD
    SDM
    RIM
    RFA
    and it says no IRC data, no pcm data, no rss data
    thanks in advance guys

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: no start lots of codes network ?

    See if you have any fuel pressure at the fuel rail. Do you hear the fuel pump run for 2-3 seconds at key on (put your ear to the open filler pipe)?

  4. #3
    smooththg6969's Avatar
    smooththg6969 is offline Cadillac Owners Fanatic
    Automobile(s): 99 Seville SLS( parts) ,98 sts
    Join Date
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    Re: no start lots of codes network ?

    well i got it running Ranger. im a pretty good mechanic this just had me stumped for a day or so. then i remembered something i was tought in automotive electrical class when a lot of weird things are happening with more than one system its most likely a bad ground. in my case theres a ground connector in the back left side of the block by the coolent temp sensor that some how got disconected. which caused my problem. thanks a lot Ranger.

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Location
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    Re: no start lots of codes network ?

    Glad you got it fixed. That would have taken me forever to discover.

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