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P0171,P0174 HELP

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Bayougator, May 15, 2024.

  1. May 15, 2024 at 3:02 PM
    #1
    Bayougator

    Bayougator [OP] New Member

    Joined:
    May 15, 2024
    Member:
    #449800
    Messages:
    1
    Gender:
    Male
    First Name:
    Brent
    Vehicle:
    05 Taco 4x4 4.0 access cab
    6” RC lift, RC UCAs, dual RC steering stabilizer on 33x12.50R17 Nitto Recon Grappler A/T with 17x10 ION ALLOYS w/-12 offset and 2” spacers.
    Hello my name is Brent and thanks for excepting me. I own 3 Yotas. 09 Camry sport with 216,000 miles, 98 4runner limited 2x4 with custom lift on 33s with 336,700 milesand the 05 tacoma 4x4 4.0 access cab with 227,000 miles with 6” RC suspension lift, RC UCAs, custom dual RC steering stabilizer sitting on 33x12.50R17 Nitto Recon grappler a/t with 17x10 ION ALLOY w/ -12 offset and 2” wheel spacers.
    05 tacoma keeps throwing codes P0171 and P0174. 3rd gear - 6th gear, it kinda stutters a little bit. The truck cranks right up but has a bit of a rough idle at times. I cleared the codes a couple times just to see and they keep coming back like a crazy woman. Bank 1 too lean bank 2 too lean. I have an OBD2 scanner but not sure how to read some of the live data. Not knowing for sure, I replaced the MAF sensor, all 4 o2 sensors and searched everywhere for vacuum leaks. They have 90 different diagnoses. Any help would be appreciated
     
  2. May 15, 2024 at 3:40 PM
    #2
    Dm93

    Dm93 Test Don't Guess

    Joined:
    Mar 3, 2015
    Member:
    #150066
    Messages:
    13,690
    Gender:
    Male
    Texas
    Vehicle:
    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    Likely the fuel pump but we need to check fuel pressure to be sure.
     
    Bayougator[OP] and TnShooter like this.

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