Po172 & Po174 Fixed 2001 Dts
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Northstar Engines and System Technical Discussion Discussion, Po172 & Po174 Fixed 2001 Dts in Cadillac Engine Technical Discussion; P0172 - Fuel Trim System Rich Bank 1 P0174 - Fuel Trim System Lean Bank 2 Well I took it ...
  1. #1
    PhantomCadillac is offline Cadillac Owners Fanatic
    Automobile(s): 2001 DTS
    Join Date
    Feb 2004
    Location
    Florida
    Age
    56
    Posts
    186

    Po172 & Po174 Fixed 2001 Dts

    P0172 - Fuel Trim System Rich Bank 1
    P0174 - Fuel Trim System Lean Bank 2
    Well I took it in this morning to my service shop and they removed the intake and replaced the plemun that connects to the bracket on the drivers side of the engine.
    The bottom of the plemun was torn. I just wonder how long this has been this way before it tripped the code?
    Well $172.00 later all is well again.
    It has 118,092 when this was replaced.

    Well everyone have a Happy Easter.

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  3. #2
    OffThaHorseCEO is offline Cadillac Owners Connoisseur
    Automobile(s): 2004 Cadillac SRX V8 AWD, 1989 Cadillac Allanté: Pearl White
    Join Date
    Jul 2005
    Location
    Fayetteville NC
    Age
    30
    Posts
    4,406

    Re: Po172 & Po174 Fixed 2001 Dts

    i had the same prob in my deville, and have read about a few others, i had the part ready to be swapped in, but the deville was involved in an accident. i was gonna sell the part but after reading this i will hold on to it

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