1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Threw a code...

Discussion in '1st Gen. Tacomas (1995-2004)' started by SRQ TACO, Feb 6, 2010.

  1. Feb 6, 2010 at 10:36 PM
    #1
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

    Joined:
    May 6, 2009
    Member:
    #16879
    Messages:
    1,443
    Gender:
    Male
    First Name:
    Damon
    Sarasota, Florida
    Vehicle:
    00 RegularCab 5lug
    16'' 5zigen Streetfighters w/ 245/55R16 General Altimax HP's, K&N Filter w/ deckplate mod, Dynomax Super Turbo Muffler with turndown before the axle, 01-04 Tail lights tinted, Dual BMW M3 horns, JVC Headunit, JVC 6.5'' door Speakers, Pioneer Shallow Mount 1000W 12'' Sub, 1000W Amp, Monroe Gasmatics front and rear, 1.5'' Daystar Coil Spacer, JDM Smoked Headlights/Corners,2001 Bench Seat, Led swapped gauge cluster and AC controls, Ignition Light mod with blue led, OEM All weather Floor Mats, LED Dome Light, 6000K DDM Tuning HID's, Street Scene Grille and Valance inserts, Clear bumper lights with the fog light mod and JDM Yellow led's, Window Tint: 25% sides and 5% back, TRD Blue Oil Cap.
    P0420 Something again with my bank one o2 sensor. Guy said either the sensor or the cat. If its the sensor then toyota will replace it for free since I already had it replaced not to long ago by them but if its the cat then what do I do? Can I remove my first cat and transplant my 2nd cat since its a cali truck in its place and just run one cat? Is there a cheap way of getting rid of my cats all together?
     
  2. Feb 7, 2010 at 9:48 AM
    #2
    ETaco23

    ETaco23 Marshall offroad Fabrication

    Joined:
    Feb 2, 2008
    Member:
    #4544
    Messages:
    5,327
    Gender:
    Male
    First Name:
    Evan
    PNW
    Vehicle:
    13' Pyrite Mica TRD Offroad DCSB 4x4
    Color Match Grille, Bed mat, Icon's with JBA UCA's, Dakars and 295 BFG KO2, Bora 1" spacers, Snugtop Canopy, and my "Marshall Fabrication" Rock Sliders.
    I had it too, and I changed my front AFR sensor and then cleared the code, but it came back about a week or so later. And a buddy of mine who is a machanic said that I should have changed both sensors at the same time. So I did the rear sensor then the code CEL never came back.
     
  3. Feb 7, 2010 at 10:07 AM
    #3
    SRQ TACO

    SRQ TACO [OP] "You've Got Red on You"

    Joined:
    May 6, 2009
    Member:
    #16879
    Messages:
    1,443
    Gender:
    Male
    First Name:
    Damon
    Sarasota, Florida
    Vehicle:
    00 RegularCab 5lug
    16'' 5zigen Streetfighters w/ 245/55R16 General Altimax HP's, K&N Filter w/ deckplate mod, Dynomax Super Turbo Muffler with turndown before the axle, 01-04 Tail lights tinted, Dual BMW M3 horns, JVC Headunit, JVC 6.5'' door Speakers, Pioneer Shallow Mount 1000W 12'' Sub, 1000W Amp, Monroe Gasmatics front and rear, 1.5'' Daystar Coil Spacer, JDM Smoked Headlights/Corners,2001 Bench Seat, Led swapped gauge cluster and AC controls, Ignition Light mod with blue led, OEM All weather Floor Mats, LED Dome Light, 6000K DDM Tuning HID's, Street Scene Grille and Valance inserts, Clear bumper lights with the fog light mod and JDM Yellow led's, Window Tint: 25% sides and 5% back, TRD Blue Oil Cap.
    P0420-Catalyst System Efficiency below Threshold
     
  4. Feb 7, 2010 at 10:08 AM
    #4
    Idrivetoys

    Idrivetoys Well-Known Member

    Joined:
    Dec 8, 2009
    Member:
    #27253
    Messages:
    499
    Gender:
    Male
    First Name:
    Ryan
    Yuma AZ
    Vehicle:
    I need a 4 door DC 4x4
    sometimes its bad fuel, go get a fresh tank of premium, disconnect the battery for 15 min, and if you really want to pull the plugs and brush them off, worked for my moms expedition
     
  5. Feb 7, 2010 at 10:09 AM
    #5
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    106,121
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Could be a cracked exhaust manifold too. Check for exhaust leaks.
     
  6. Feb 7, 2010 at 12:54 PM
    #6
    herdnerd

    herdnerd Member

    Joined:
    Feb 2, 2010
    Member:
    #30540
    Messages:
    8
    Gender:
    Male
    X2 Thats what caused mine. I put on a tubular manifold for a 01+ 2.7 and no more CEL. Exhaust leaks at other places before the O2 sensors could also cause the problem.

    There are several things that could cause this code. Before you spend the money for a new cat, do a little more investigating. From the threads I've read, the cat is the least likely to be the cause.
     
  7. Feb 7, 2010 at 3:08 PM
    #7
    kingston73

    kingston73 Well-Known Member

    Joined:
    Aug 8, 2009
    Member:
    #20845
    Messages:
    2,453
    Gender:
    Male
    eastern MA
    Vehicle:
    09 SR5 4.0L 4x4
    I had that code a little while ago and it was an exhaust leak. Check the simple things first. Mine was a leak between the 2nd cat and the rear o2 sensor.
     
To Top