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Thread: 00 STS DTC codes and rough engine operation

  1. #1
    pplpp99 is offline Cadillac Owners Member
    Automobile(s): 2003 seville sts
    Join Date
    Mar 2011
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    00 STS DTC codes and rough engine operation

    hi~
    hope you enjoy weekend^^

    i am living at south-korea
    i have some problems about my caddy

    my caddy is.... 2000 seville sts(Y) 104k-miles
    and
    guessed.... my caddy have a weak head-gasket problem

    DTC code....
    msm b2355 history
    pcm p0300 current
    pcm p1189 current
    rss c0662 current

    sympton
    1. very rough idle(almost engine stalled) + very slow accelerated after ignition on
    and
    2. check light is disappeared by itself after highway running over 60mile for 5min .
    and, my caddy is fine without check-light

    please let me how to solve it

    sorrty for my poor enlish

    thank you..
    from south-korea
    bye.


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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
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    Re: 00 STS DTC codes and rough engine operation

    Use this to get to definitions of all DTCs. http://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

    The P 0300 indicates that there is a miss - ignition or fuel injector - in one or more cylinders.

    P 1189 indicates that there is a fault with the engine oil pressure signal circuit.

    RSS is a suspension fault.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 00 STS DTC codes and rough engine operation

    very rough idle(almost engine stalled) + very slow accelerated after ignition on
    and
    Might start with a good TB cleaning and check for a clogged CAT.

  5. #4
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
    Automobile(s): 14 SRX, 00 SLS, 99 Deville 50-year Anniversary
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    Re: 00 STS DTC codes and rough engine operation

    If you would like an assistance in Korean, you could PM me. Or, have you tried the Club Cadillac in Korea (daum.net cafe)? Nice group of people there knowledgeable enough about Cadillacs to help.


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