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  1. T

    A/C Blend door issue?

    Fixed it. It was the evap temp sensor. It was some job. Works perfectly now.
  2. T

    A/C Blend door issue?

    At the time of reading it was 80f outside. Humidity around 50 percent.
  3. T

    A/C Blend door issue?

    Sounds like we are getting somewhere. Gauges low side is 52 psi. Evap box 33f
  4. T

    A/C Blend door issue?

  5. T

    A/C Blend door issue?

    Both rear and front not cold. They should be cold according to evap box temp?
  6. T

    A/C Blend door issue?

    2013 Tahoe LS with rear A/C 145k miles. A/C pressures good. Evaporator box temp with scanner/reader/autel 33F. Vent air temp 70f Blend doors calibrated all seem functional. Which door my Issue. Help.
  7. T

    Ac issues

    Yup i feel pretty ignorant at this point. Scanner and all i missed checking the evap temp. I thought since no error codes from actuators i was good. Also calibrated them. Evap box at 28-30F. Anyone know which blend door to check first?
  8. T

    Ac issues

    Yup i feel pretty ignorant at this point. Scanner and all i missed checking the evap temp. I thought since no error codes from actuators i was good. Also calibrated them. Evap box at 28-30F. Anyone know which blend door to check first?
  9. T

    Ac issues

    Thanks ill check and report back. I calibrated the blend doors with no errors. I also believe blend door issue. How do i check ac temp at the source?
  10. T

    Ac issues

    2013 tahoe ls 5.3 with rear ac No codes. Ac correctly charged Ac air temp 70 degress.
  11. T

    Ac issues

    Any AC guys out there?
  12. T

    Ac issues

    Seems like ive changed everything out still incorrect cooling. Last year replaced compressor, condenser, dryer, pressure switch, orifice. Last week rear expansion valve both rear actuators. Gauges look good. Im pretty knowledgeable with ac just cant figure this one out. Im a diy guy so any help...
  13. T

    2013 Tahoe A/C Actuator B3782.16

    Does any know exact location of this actuator? trouble code B3782.16 stuck actuator
  14. T

    Dreaded P0300, need help!

    I moving to hvac section. Thanks.
  15. T

    Dreaded P0300, need help!

    Solved. Cheap ngk spark plugs from amazon. #8 wasn't bad since ive changed it twice in a year. Definitely needed the fuel pump too. Now to the a/c not cold enough.
  16. T

    Dreaded P0300, need help!

    So I received the scanner. Showing misfires in cyl 2 and 5. Still learning how to use it.
  17. T

    Dreaded P0300, need help!

    Will do. Kept all the parts.
  18. T

    Dreaded P0300, need help!

    Changed out the fuel pump yesterday, yes it was weak. I thought for sure it was the issue. I used the blue driver scanner initially but was mediocre at best to diagnose the issue. 142000k miles. Synthetic oil, doubt its the AFM. I used a fuel gauge on the rail. I also purchased a smoker to...
  19. T

    Dreaded P0300, need help!

    I have a 2013 Tahoe LS 5.3. It is misfiring severely. I changed out plugs, wires, MAF, Throttle position sensor and evap unit on motor. I also changed out the up and downstream ox sensors on drivers dies due to codes. Sounds like I'm throwing parts at it but I'm not. LOL It sputters and...

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