2005 - 6.0L - EGR Valve Replacement - Page 2

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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, 2005 - 6.0L - EGR Valve Replacement in Cadillac Escalade Forums; Originally Posted by Old Timer Thus the name: Old Timer... How does one get away without a fuel filter ? ...
  1. #16
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners 10000+ Posts
    Automobile(s): 03 cadillac escalade
    Join Date
    Mar 2011
    speedwell tn,
    Quote Originally Posted by Old Timer
    Thus the name: Old Timer... How does one get away without a fuel filter ? it has to have the "Sock" on the pickup in the tank... but no other filter ? So... were does one go to think routine service is done on the fuel delivery system ? Pour the injector cleaner to it a couple times a year ? No egr, no fuel filter... all this is OK with me... I never missed an egr valve anyway, thought they ran better without... I'm just looking to make it run as good as it can with what it's got... Thanks The Old Timer...
    There is a strainer on the fuel pickup

    I use seafoam fuel system cleaner and it works great(also can be used in the oil)


    Quote Originally Posted by Skier-24
    I also intermittently get codes P0171 and P0174. Clean the MAF sensor anyway. Looking clean might not be clean enough. My Expedition would have these codes. I cleaned the MAF sensor a a couple of times more after I thought it looked clean. Never had another problem with it. MAF sensor could also be faulty.
    P0171 is engine coolant temperature (ECT) sensor curcuit low voltage
    P0174 is fuel trim system lean bank 2

  2. #17
    Old Timer is offline Cadillac Owners Member
    Automobile(s): 2005 Cadillac Esclade
    Join Date
    Oct 2013
    Thread Starter

    Re: 2005 - 6.0L - EGR Valve Replacement

    Really appreciate all the response...

    I'll pay more attention to the Injector Cleaner aspect... Sea Foam was always thought to be a good product...

    It's a truck for sure... nice interior comfort and great ride but still a truck...

    Still cant' believe they deleted the fuel filter... In the back of my mind I remember that but did not pay attention..

    Hey, Thanks to all.

    Make it a great day !

    The Old Timer...

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