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  1. Richard Blakely

    07 Tahoe check engine light

    Code says mixture too rich on bank 1. Runs ok and have replaced mass airflow, spark plugs and wires, o2 sensors. Air hoses appear to be good. Suspect pcv valve. Any additional items to check?
  2. Richard Blakely

    Where are knock sensors on 2012 Chev tahoe?

    Ally tube videos show them to be under intake manifold on prior years 5.3l v8. But not on 2012 version
  3. Richard Blakely

    2012 Tahoe transmission shifter

    My 2012 Tahoe after pulling into a parking space, wouldn’t shift into park, or any other gear for that matter. Was stuck in drive. Shift lever was very loose and nothing registered on instrument cluster. I set emergency brake and turned off engine. Unable to restart since I couldn’t put into...
  4. Richard Blakely

    2012 Tahoe..Stabilitrack and skid lights on. Tach not working

    Just started yesterday while on road. Felt a jerk from rear, lost power then two lights came on my dash. Also tach stopped working. Stopped for a while and everything back to normal. But on way home, happened again. Check engine light also came on. Again after rest, all lights and chk engine...
  5. Richard Blakely

    Brakes squeal when coming to a stop

    Just had brake job done 2 months ago with new front rotors. Everything was fine for first 2 months, but now when coming to a stop, a high-pitched squeal is emitted. Brakes and rotors checked yesterday by firestone, but nothing wrong was found. Plenty of break pad and no rotor scoring. Where else...
  6. Richard Blakely

    Isles rough but otherwise runs fine

    My 2012 Tahoe, when stopped at a traffic light, varies in rpm from 500 to 600 rpm. Once I accelerate, all is well. I have replaced spark plugs and wires, mass airflow sensor. Still with same problem. I have 151,000 miles on 5.3l v8 using regular gas. On earlier models, there is an idle control...
  7. Richard Blakely

    Ac temp control not automatic anymore

    i have temperature control where you set a temp and not have to do anything else. However it is not automatic anymore. You have to manually turn fan blower up or down and max button always stays on and has to be pushed. If in auto mode, all of this should be automatic, but is not.
  8. Richard Blakely

    Sluggish accelerating at 30-50mph

    my 2012 Tahoe with 6 speed transmission is very sluggish when accelerating around corner especially. Changed max air flow sensor but no help. Runs fine cruising. Should I suspect fuel injectors or spark plugs next?

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