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atlantaman

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About atlantaman

  • Birthday 10/03/1963

Profile Information

  • Name
    Chuck
  • Location
    Roswell, GA
  • Gender
    Male
  • Interests
    previously had a 2005 Sierra Denali AWD supercharged to 525HP, 2002 Tahoe, 1997 Yukon
    love golf, flying, boating , scuba, traveling
  • Drives
    2015 2500 Highcountry Duramax

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  1. Actually the MAP was just malfunctioning--car ran like new after it but there was no sign on a leak anywhere..
  2. Is it physically possible to convert a 2500 4x4 to an AWD setup? I used to drive a Sierra Denali 1500 with AWD and it handled so much better in the rain and snow than this 4x4 does....... Just curious.
  3. Total weirdness has occurred Replaced MAP and everything suddenly got better. car runs like new, no error codes, and gets 2mpg better mileage................
  4. replaced MAF--no help will replace MAP today too more codes to digest p0332 knock sensor o2 circuit low I am wondering if there is a ground wire or ground loop going on somewhere that is not allowing sensors to work properly???
  5. I have an 05 SD with a Magnason Supercharger installed. (102000 miles now) For the first 2 years and 35000 miles all worked flawlessly but now it is starting to act up regularly and I cant get my finger on the issue. I am getting code alarms for lean readings on multiple fronts p0171 p0151 p0174 p0001 I Have replaced all 4 of the o2 sensors and all was good for 1 month but back to 2xper day having to clear the alarms I have used up 2 full cans of ether trying to locate a vacuum leak but nothing was found at this point I am going to replace the intake gaskets and get a replacement CPU (off ebay-with exchange) and try that. Any suggestions or other ideas?????
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