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O-2 Sensor cable

Discussion in 'Performance and Tuning' started by Martin, Oct 7, 2008.

  1. Oct 7, 2008 at 1:17 PM
    #1
    Martin

    Martin [OP] New Member

    Joined:
    Oct 7, 2008
    Member:
    #9783
    Messages:
    3
    Cloverdale, OR
    Vehicle:
    2001 S-Runner, black.
    Totally stock.
    Can anyone tell me how to access the end of my O2 sensor cable? It's the one in front of the catalyst. The wire is over two feet long, goes over the transmission and toward the cab where I can't reach the end. Do I need to take off some panels inside the cab to reach the end and disconnect it? (Manual transmission 2001 Tacoma S-Runner ext. cab)
     
  2. Oct 7, 2008 at 3:32 PM
    #2
    Janster

    Janster Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    13,693
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2007 4.0L 4x4 TRD Sport Access Cab A
    Advantage Torza top (tri-fold), Husky floor mats, RuffTuff seat covers, C2C hood struts, Homelink mirror, USA Spec PA15-Toy (120gig Classic & 8gig nano), Garmin Nuvi 660, Protecta Bed mat, Pop-n-lock, TSB Springs, Scangauge II, Heated drivers seat, Fumoto drain valve, Aries pushbar, PIAA 540 fog lights, Hood scoop grahics, Flowmaster 50 series dual catback exhaust, RainX Latitude windshield wipers, Husky rear floor liner (ontop of folded down seats). Console Vault.
  3. Oct 7, 2008 at 3:52 PM
    #3
    Martin

    Martin [OP] New Member

    Joined:
    Oct 7, 2008
    Member:
    #9783
    Messages:
    3
    Cloverdale, OR
    Vehicle:
    2001 S-Runner, black.
    Totally stock.
    Good article. Just what I needed.
    --Martin
     
  4. Oct 21, 2008 at 10:44 AM
    #4
    Martin

    Martin [OP] New Member

    Joined:
    Oct 7, 2008
    Member:
    #9783
    Messages:
    3
    Cloverdale, OR
    Vehicle:
    2001 S-Runner, black.
    Totally stock.
    I was able to access the O2 cable connector and installed a new O2 sensor. However, after driving 50+ miles, the check engine light came on again. I went to the local auto-parts store where they plugged in the OBG meter to read codes, and it said bank one A/F too lean (again). So I removed the shifter console again to make sure the connector was still plugged in. This time, I put my ohm meter on the black wire prongs to make sure there was still continuity on the heater circuit. It read 1.21 ohms, so this would indicate the heater was OK.
    Out of curiosity, I later tested the black wires on the old sensor I had taken out, and it read 2.16 ohm indicating it was OK too.
    So, the check engine light came on again last night driving home.
    I'm wondering if anyone has any suggestions as to why this is happening (lean mixture reading). Could the injectors be dirty and partially clogged?
    When I'm driving, and I step on the gas all the way to the floor, the engine doesn't give as much power as if I let up on the gas a little bit.
    Help!
     
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