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  1. chevy1500

    Intermittent P0171 and p0300

    Yes fuel trims are back to normal
  2. chevy1500

    Intermittent P0171 and p0300

    I checked the pcv and it's the orifice type with out the spring and the baffle i cant see nothing but a hole
  3. chevy1500

    Intermittent P0171 and p0300

    i don't understand Duplicate what?
  4. chevy1500

    Intermittent P0171 and p0300

    Update guys come to find out one day i was cleaning my 05 tahoe engine area while it was running so i was like let me take off the oil filler neck and she started surging a lil capped it back up normal so i went over to my 07 my filler neck wasnt seated all the way in due to a broken tab...
  5. chevy1500

    Intermittent P0171 and p0300

    Update : changed the Orings and no dice still throws the p0171 code
  6. chevy1500

    Intermittent P0171 and p0300

    Update : changed the Orings and no dice still throws the p0171 code
  7. chevy1500

    Intermittent P0171 and p0300

    Im.going to buy Orings now will give the update when im done
  8. chevy1500

    Intermittent P0171 and p0300

    Ok just now i just sprayed some carb cleaner on #1 injector and the engine stumbled short term went up to - 10 sprayed again and its not doing it anymore smh
  9. chevy1500

    Intermittent P0171 and p0300

    part 2
  10. chevy1500

    Intermittent P0171 and p0300

  11. chevy1500

    Intermittent P0171 and p0300

    0.0 or - 0.8 -11.7 its irratic it keeps subtracting
  12. chevy1500

    Intermittent P0171 and p0300

    Yes the numbers are changing every second
  13. chevy1500

    Intermittent P0171 and p0300

    Yes i can see the live from that bank and 02s1b1 showing 0.765 lowest 0.80
  14. chevy1500

    Intermittent P0171 and p0300

    Hello guys back again with my intermittent p0171 pending code . I was driving my truck down the street with my scanner hooked up and i notice every time i let off the gas the LTFTRM1 spikes up to +24 as seen in above pics and every time i accelerate and let off the gas it will kick into. 4...
  15. chevy1500

    Intermittent P0171 and p0300

    I notice the cat temp is always higher than the bank 2 side if im reading it right
  16. chevy1500

    Intermittent P0171 and p0300

    Oh and i noticed that my new evap purge solenoid keeps purging everytime i touch it its always on too
  17. chevy1500

    Intermittent P0171 and p0300

    I changed the intake gasket ,maf,plugs,wires,fuel pump oem,sprayed around the intake no change in idle or fuel trim and it still has a slight idle shake oh and all the injectors are shooting like they should so i dont know whats next ??
  18. chevy1500

    Intermittent P0171 and p0300

    Finnaly have the freeze frame and im still stomped smh
  19. chevy1500

    Intermittent P0171 and p0300

    It threw the 0300 code only one time so no more misfires all im dealing with is the shaky idle and the intermittent 0171
  20. chevy1500

    Intermittent P0171 and p0300

    i wonder where could it be i did the carb fluid trick no change i changed the intake gasket no change but youre right about the vac leak somewhere be cause it feels like it at idle
  21. chevy1500

    Intermittent P0171 and p0300

    The short term on bank 2 goes to 7/8 and bank 1 goes to 5 and it subtracts alot
  22. chevy1500

    Intermittent P0171 and p0300

    I looked at my short fuel trims this morning when i get on it it bank 2 shows higher than bank one
  23. chevy1500

    Intermittent P0171 and p0300

    Changed fuel pump still rough idle and still getting the intermittent pending p0171 code then after i shut the engine off and turn truch back on the pending code is gone smh
  24. chevy1500

    Intermittent P0171 and p0300

    I talked to a chev tech at the dealer and he said 45 psi with KOEO is pretty low it should be in between 50 and 60 and my truck only leans out when im driving so im still on it
  25. chevy1500

    Intermittent P0171 and p0300

    Also when i started up the truck the psi went to 60 psi and the needle was jumpy and when i rev it doesn't move and stays at 60 psi

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