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  1. #1

    Default Rough idle and shifting, loss of power - 2008 Avalanche

    Hey all,

    Just traded in my 2011 Silverado for a 2008 Avalanche LT 4x4 w/68k miles.

    I have had it for less than a day and so far the problems I've had are:
    1) Service stabilitrac
    2) Service traction control
    3) Tonight I was driving home from a friend's house when I felt it violently kick from first to second and then the check engine light came on and now the engine shakes and shudders at all times.

    My guess is some bad sensors for the first two issues and not sure about the third issue.

    Anyways, I purchased GM Protection Plan (Major Guard) so I'm going to bring the truck by the dealer and have them take care of it. I'll keep you guys posted on what the dealer said and my review on the GMPP.

    In the mean time could you guys throw out some ideas as to what you think it could be?

    Thanks!
    Last edited by cbroberts88; 07-28-2013 at 04:01 PM.
    -2008 Chevrolet Avalanche LT 4x4 w/ K&N CAI
    -2012 Kia Soul !
    -2003 Kawasaki Ninja ZX-6R 636

  2. #2
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    Enkeiavalanche's Avatar
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    Default

    Does it have any LED Bulbs in it? Did you get a carfax? Welcome...
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

  3. #3

    Default

    It doesn't have any LED bulbs in it and I did get a CARFAX. Everything checked out. I brought it by Advance Auto Parts today just to see what their code reader would say and I got the following codes:

    B0561 ABSSystem Disabled
    Information Stored
    Invalid Serial Data Received


    P0206
    Injector Circuit / Open - Cylinder 6


    P0306
    Cylinder 6 Misfire Detected



    Although I can bring it by any GM dealer for service I fully plan on bringing it back to the selling dealer and having them fix it all.
    -2008 Chevrolet Avalanche LT 4x4 w/ K&N CAI
    -2012 Kia Soul !
    -2003 Kawasaki Ninja ZX-6R 636

  4. #4
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    Enkeiavalanche's Avatar
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    you should have them fix everything before it leaves his lot again Or tell him your going to the Local papers..
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

  5. #5

    Default

    Update:

    I brought it by the dealer and they looked at it. It turns out there was a bad connection on cylinder 6's fuel injector and that's what was causing those trouble codes. They repaired the connection and everything is working fine! This dealer is really good about repairs and they didn't give me any problems at all.

    I am very impressed that they wanted to make things right so they are still good in my book.
    -2008 Chevrolet Avalanche LT 4x4 w/ K&N CAI
    -2012 Kia Soul !
    -2003 Kawasaki Ninja ZX-6R 636

  6. #6

    Default

    Quote Originally Posted by cbroberts88 View Post
    Update:

    I brought it by the dealer and they looked at it. It turns out there was a bad connection on cylinder 6's fuel injector and that's what was causing those trouble codes. They repaired the connection and everything is working fine! This dealer is really good about repairs and they didn't give me any problems at all.

    I am very impressed that they wanted to make things right so they are still good in my book.
    Hello,

    I am very happy to hear that you are impressed with your local dealership and your visit experience was a good one. It brings a smile to our face when we hear that our customers have a good relationship with their dealerships.

    Safe travels,

    Jennifer T.
    GM Customer Care

  7. #7
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    Enkeiavalanche's Avatar
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    Congrats Enjoy the ride now.....

    - - - Updated - - -

    Congrats Enjoy the ride now.....
    08 Z71 Avalanche Mods to date: K&N CAI,Hellwig Swaybars and End Links, Corsa Sport Exhaust, Superchips Programer,IPCW LOF & 3rd brake light and tails, AMI Gas door,Show Hooks and Door locks, Enkei Wheels, with Pirelli tires, StreetScene Bowties, Grant Steering wheel,Muth signal mirrors,SSBC Big Brake kit,Huskyliner Mug gards,Floor mats and Hood shield, McGard Lug nuts and locks, Bedrug, Cervini's Ram Air hood,35watt HID Fog lights, Sylvania bulbs all around ZXE's Highs and Lows, WhiteNight Back up lights,Sirius and HD Radio, SnugTop sitting on deck now Got a Softopper on now,Tempress Boat Hatches.... New Bilstein shocks are on... New Mods coming soon..... X

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