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  1. BlueCollarTahoe

    Getting 8.5 mpg need help

    @JollyRoger01
  2. BlueCollarTahoe

    Getting 8.5 mpg need help

    all screenshots were done at 2kRPM after reaching operating temperature with nothing extra on and lights off.
  3. BlueCollarTahoe

    Getting 8.5 mpg need help

    You talking 02 sensors right? I did it for both ft/ and o2 sensors. Ftb1s1 and ftb2s1 are the only ones that were jumping. Sensor2 in both banks were flat. Don't think its giving any feedback Now when I did the 02 sensors b1s1 was jumping. Bank1s2 was semi flat. Bank2s1 ans bank2s2 were...
  4. BlueCollarTahoe

    Getting 8.5 mpg need help

    i believe i can with that app. ill try it tomorrow.
  5. BlueCollarTahoe

    Getting 8.5 mpg need help

    bump
  6. BlueCollarTahoe

    Getting 8.5 mpg need help

    UPDATEs with fuel trims: idle with car at op temp: STFT1: 0.00 LTF1: 4.69 STFT2: -0.78 LTFT2: 8.59 25 MPH: STFT1: -3.12 LTF1: 8.59 STFT2: 4.69 LTFT2: 11.72 45 MPH: STFT1: -3.12 LTF1: 9.38 STFT2: 2.34 LTFT2: 11.72 65 MPH: STFT1: -4.69 LTF1: 11.72 STFT2: 1.56 LTFT2: 14.06 then noticeed...
  7. BlueCollarTahoe

    Getting 8.5 mpg need help

    have done it before didnt make a difference.
  8. BlueCollarTahoe

    Getting 8.5 mpg need help

    well may turn out just to be city driving getting me....but i will post all the trim numbers monday hopefully. been a long couple days.
  9. BlueCollarTahoe

    Getting 8.5 mpg need help

    okay cool so heres an update. i hooked up the ancel and the torque pro with the bluetooth adaptor to compare and the numbers were the same. i took a bunch of screenshots from when i left work, highway driving..car off..then at idle again. i found a table of whats considered the various loads to...
  10. BlueCollarTahoe

    Getting 8.5 mpg need help

    i didnt see any difference in the mpg after the cleaners. the rb was off at idle? how should i check them or track them? idle, driving at different speeds etc?? no power loss ive heard that from others who had cats go out. i have the AT, a big 50lb push bar and a 25 lb speaker on the front...
  11. BlueCollarTahoe

    Getting 8.5 mpg need help

    AT terrains and the pressure was around 42 i think when i checked it. i ran BGK44 and that Berrymans stuff. how do i check the cats? the temp of the pipes before and after the cat after driving?
  12. BlueCollarTahoe

    Getting 8.5 mpg need help

    yea i greased all the pins and the new slides. weird thing my brake lights came on last night i check the brake fluid tank it was half empty. lights went off when i refilled but that was weird. i dont see any leaks anywhere. any thoughts where to look next in this chase after the MPG monster?
  13. BlueCollarTahoe

    replacement clusters

    im gonna attempt to do this on my own. i dont got a 2nd car to send in a cluster for repair right now. anyone know what the bulb size is for the cluster? want to replace and solder the blue led light bulbs in. and best palce to get stepper motors?
  14. BlueCollarTahoe

    Getting 8.5 mpg need help

    nah the dust shield touching was on the passenger side real axel. the worn down pad was the inside one on the driver side. driver side has no dust shield was removed at some point. i put in some all ceramic ones i got from AAP, the ones i had before were wagner thermoquiet ones looked like they...
  15. BlueCollarTahoe

    Getting 8.5 mpg need help

    where should i look next?
  16. BlueCollarTahoe

    Getting 8.5 mpg need help

    took apart the calipers on back axle. turned out to be a peice of the dust sheild got bent and was hitting the rotor.i removed it, replaced all the break pads and metal clips on both sides and lubed all moving pieces. the break pads seemed normal except for 1 ont the inside on driver side. that...
  17. BlueCollarTahoe

    Getting 8.5 mpg need help

    cleaned the throttle body and the MAF. idle seems a little smoother but MPG same more or less. working on thre brake thing tomrrow see if thats the culprit.
  18. BlueCollarTahoe

    Getting 8.5 mpg need help

    cleaning the MAF tomrrow
  19. BlueCollarTahoe

    What has been your best deal ???

    so far i got a Airraid MIT for 70 bucks brand new in the box free shipping. the regular price was 150
  20. BlueCollarTahoe

    Getting 8.5 mpg need help

    also can a weak battery have influence on MPG?
  21. BlueCollarTahoe

    Getting 8.5 mpg need help

    im gonna have them checked monday i replaced one caliper maybe a year ago and crazy enough this morning i got the scratching noise you get when the pads ar elow. these are relatively new Wagner pads. less than 10k miles on them. im starting to think the caliper they put on was put on wrong the...
  22. BlueCollarTahoe

    Getting 8.5 mpg need help

    bump
  23. BlueCollarTahoe

    Getting 8.5 mpg need help

    thanks for the reply, how did you know it was a bad cat? last time i went to the shop the mechanic said if it was a clogged or damaged injector a code would show...i assume he used his tech2 to check it he was sitting there for a while looking at stuff....i wanted the injectors cleaned and he...
  24. BlueCollarTahoe

    Getting 8.5 mpg need help

    sorry didny get back sooner was a hectic couple of days. 265-70-17 is the tire size of what was on there and what i got in the Nitto AT replacement. I had bridgestone Duelers HT. the RPO code shows i Have the LM7....the GT4 with G65 ( something about self adjusting). 13 is a long way from 8.5...
  25. BlueCollarTahoe

    Getting 8.5 mpg need help

    5.3L v8 not the flex one. 17 tires. Nitto AT Grappler. air pressure is what it says on the door forget what it is right now. not sure about the real axel but the car is AWD if that tells what it has.is that true about shell? 87octane, regular. i thought shell was great actually. wow. what yall...

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