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My CEL update--changed sensors

Discussion in '1st Gen. Tacomas (1995-2004)' started by derekp, Apr 17, 2010.

  1. Apr 17, 2010 at 4:09 PM
    #1
    derekp

    derekp [OP] giddy up!

    Joined:
    May 16, 2009
    Member:
    #17281
    Messages:
    419
    Gender:
    Male
    First Name:
    Derek
    Grand Forks, ND
    Vehicle:
    2001 X-Cab 4x4 TRD V6 5Spd
    Deck plate, Flowmaster Delta-Flow 40 series, 265/75-16 Wrangler TDs, more to come...
    I have seen a lot of posts recently about O2 sensors (and A/F sensors). I have CEL light (P1135 the last time I had it checked) that pops up every now and again. The last time I saw it was when I was stuck in traffic and the truck sat running for around 5 minutes and didn't move a foot. An hour later it went off after a few short trips. Something about the truck heating up--weather has been warmer a bit here...thoughts??? :confused:
    So I ordered new sensors, both. I replaced them today with minimal problems. For those looking to change them soon, the only suggestion that I would make is to remove the A/F sensor (the front, or up-stream sensor) from the exhaust before you try to unplug it. For me, it made it ahelluva lot easier! Doing so allowed me to maneuver the wire around so I could see and grab the plug easier. Also the other sensor had some sort of sheild on it. The razor sharp beast put up a fight! (good news is, the bleeding has almost stopped) Be careful when you go to replace that sensor. I decided not to replace the sheild for fear of having to tackle the task again someday. Hopefully this remedies my problem and I won't be facing an ECU change like another member is.
     
  2. Sep 26, 2011 at 9:08 AM
    #2
    defleppardsg

    defleppardsg Well-Known Member

    Joined:
    Mar 6, 2011
    Member:
    #52453
    Messages:
    134
    Gender:
    Male
    First Name:
    chris
    texas
    Vehicle:
    2.7L SR5 4x4
    OME 880's, Wheeler's Offroad 5-Leaf pack. Bilstein 5100's, 1" Daystar shackles, Deck Plate Mod.
    I just had the same problem on my truck. CEL would come on when I was sitting in traffic, or towing or something. I figured it had to do with the truck heating up a little, somehow. Even though I was never running hott...

    Got the code read- up stream O2 sensor. Got quoted $180 at Advance Auto, found one at RockAuto for $99. Just put it in this weekend, so far so good. Install was suprisingly easy for how rusty things were underneath....
     

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