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CHECK ENGINE LIGHT....AGAIN

Discussion in '2nd Gen. Tacomas (2005-2015)' started by old sarge, Oct 23, 2016.

  1. Oct 23, 2016 at 10:06 AM
    #1
    old sarge

    #1
    old sarge [OP] Member

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    COASTAL VA.
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    06 4DR 4WD TRD SPORT
    SUN ROOF, BORLA EXHAUST, K&N COLD AIR
    '06 TRD Sport, V6 auto, 4wd, 4d, sb, 120k......threw another code today, actually the same one as before P0174...last time I cleaned everything, changed the air filter, checked for vacuum leaks...still had it...changed the O2 sensor on that side...it's been out and running fine about three weeks now...comes on today. WTF? ideas anyone?
     
    old sarge, Oct 23, 2016
    #1
  2. Oct 23, 2016 at 12:22 PM
    #2
    Lester Lugnut

    #2
    Lester Lugnut Well-Known Member

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    N of Mex-S of Canada-E of LA-W of NC
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    Last edited: Oct 23, 2016
    Lester Lugnut, Oct 23, 2016
    #2
  3. Oct 23, 2016 at 12:23 PM
    #3
    Truggin

    #3
    Truggin What a long, strange trip it's been

    Joined:
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    39.15737720308645, -77.92212986904099
    Vehicle:
    Black 2016 TRD Sport V6 4x4 Access Cab
    It's a work in progress. See my build thread.
    Per the software:

    - Intake air leaks
    - Faulty front heated oxygen sensor
    - Ignition misfiring
    - Faulty fuel injectors
    - Exhaust gas leaks
    - Incorrect fuel pressure
    - Lack of fuel
    - Faulty Mass Air Flow (MAF) sensor
    - Incorrect Positive Crankcase Ventilation (PCV) hose connection
     
    Truggin, Oct 23, 2016
    #3
  4. Oct 23, 2016 at 1:43 PM
    #4
    Sandman614

    #4
    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    ARB Front Bumper, Projector Headlights w/Slimcubby 4300K HID's, Oznium LED's, LED taillights, DIY Washable Cabin Moose Filter, Sockmonkey SR5 Off Road, Aux Audio plug, OME 886x, OME Nitrochargers, Wheelers 3 Leaf Progressive AAL, ImMrYo Rear-View Mirror Lift Bracket, Dodge D-Rings
    The software??
     
    Sandman614, Oct 23, 2016
    #4
  5. Oct 23, 2016 at 1:50 PM
    #5
    old sarge

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    old sarge [OP] Member

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    SUN ROOF, BORLA EXHAUST, K&N COLD AIR
    I stand corrected, excuse me. I went back and looked at the invoice. It was the A/F sensor, not the O2 sensor.
     
    old sarge, Oct 23, 2016
    #5
  6. Oct 23, 2016 at 2:02 PM
    #6
    Truggin

    #6
    Truggin What a long, strange trip it's been

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    It's a work in progress. See my build thread.
    Oh sorry. The software that came with my OBD2 Scanner.
     
    Truggin, Oct 23, 2016
    #6
  7. Oct 23, 2016 at 2:21 PM
    #7
    Sandman614

    #7
    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

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    The best way to determine the correct cause is to use an obdii reader and software to see the o2, fuel trims, and cat temp values.

    Blindly replacing parts might correct a value enough for the problem to go away for a little while.
     
    Sandman614, Oct 23, 2016
    #7
  8. Oct 24, 2016 at 5:46 AM
    #8
    Torspd

    #8
    Torspd Tor-nication

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    The Great America!
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    Torspd Custom Turbo kit [] Borg Warner 9180EFR Turbo [] Haltech Elite 2500 [] TiAL Q BOV [] TiAL V44 Wastegate @ 15psi [] CP Pistons [] CP Carrillo Rods [] ARP Head studs [] ARP Main Studs [] ARP Header - Head Studs [] Ported Heads w/ 1mm oversized valves intake/exhaust [] Brian Crower Forged Stroker Crank [] Darton M.I.D. Sleeved Block [] Kelford Camshafts [] Torspd 160* T-stat mod [] APR Large Fuel Rail [] Walbro 460 LPH E85 Fuel Pump [] FueLab FPR [] APR T56 Conversion Kit [] KP RACING Built T56 [] McLeod Racing Custom Twin Disk Clutch [] One Piece Aluminum Driveshaft [] MGW Shifter [] Custom lowering kit [] Ohlins Front Coilovers [] QA1rear shocks [] Custom Ron Davis Radiator [] Dual SPAL Electric Fans []
    And to be extra clear, you changed out the sensor on the driver side yes?

    Did you spray around the engine with silicone or similar, while it was idling. To listen for a direct change in engine idle rpm?

    Passenger valve cover pcv hose, driver side valve cover pcv hose. Vacuum hose directly after the throttle body. Then injector insulators.
     
    Torspd, Oct 24, 2016
    #8
  9. Oct 25, 2016 at 3:37 PM
    #9
    old sarge

    #9
    old sarge [OP] Member

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    yup....have done that twice. no change in RPM
     
    old sarge, Oct 25, 2016
    #9
  10. Oct 25, 2016 at 4:18 PM
    #10
    Sandman614

    #10
    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

    Joined:
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    Garner, NC/Boone, NC
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    '06 SR5 Off Road
    ARB Front Bumper, Projector Headlights w/Slimcubby 4300K HID's, Oznium LED's, LED taillights, DIY Washable Cabin Moose Filter, Sockmonkey SR5 Off Road, Aux Audio plug, OME 886x, OME Nitrochargers, Wheelers 3 Leaf Progressive AAL, ImMrYo Rear-View Mirror Lift Bracket, Dodge D-Rings
    Come on down to Raleigh and we'll get it figured out. I'm telling you computers are the shit. I'll plug it in and knock it out.
    Idle Lean Condition
    https://youtu.be/3RFTS22w6tM
    Load Lean Condition
    https://youtu.be/nYN-RoFVwAA
     
    Sandman614, Oct 25, 2016
    #10
    Torspd likes this.
  11. Oct 25, 2016 at 6:18 PM
    #11
    old sarge

    #11
    old sarge [OP] Member

    Joined:
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    Male
    COASTAL VA.
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    06 4DR 4WD TRD SPORT
    SUN ROOF, BORLA EXHAUST, K&N COLD AIR
    I'd love to get this cleared up...have spent so much money (to me anyway...retired and divorced..so no money, lol)...and Raleigh is downhill from here...hit me b/c...fhmarsh68@gmail.com
     
    old sarge, Oct 25, 2016
    #11
  12. Oct 25, 2016 at 7:08 PM
    #12
    Sandman614

    #12
    Sandman614 Ex-Snarky TWSS elf, Travis #hotsavannahdotcom

    Joined:
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    First Name:
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    Garner, NC/Boone, NC
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    '06 SR5 Off Road
    ARB Front Bumper, Projector Headlights w/Slimcubby 4300K HID's, Oznium LED's, LED taillights, DIY Washable Cabin Moose Filter, Sockmonkey SR5 Off Road, Aux Audio plug, OME 886x, OME Nitrochargers, Wheelers 3 Leaf Progressive AAL, ImMrYo Rear-View Mirror Lift Bracket, Dodge D-Rings
    Waht ? Downhill, so coast
     
    Sandman614, Oct 25, 2016
    #12
  13. Oct 25, 2016 at 8:03 PM
    #13
    old sarge

    #13
    old sarge [OP] Member

    Joined:
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    COASTAL VA.
    Vehicle:
    06 4DR 4WD TRD SPORT
    SUN ROOF, BORLA EXHAUST, K&N COLD AIR
    old guy joke...raleigh is down hill from me here on the va. coast.
     
    old sarge, Oct 25, 2016
    #13

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