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Consequences of not replacing O2 Sensor

Discussion in '1st Gen. Tacomas (1995-2004)' started by hardtaco, Jun 21, 2009.

  1. Jun 21, 2009 at 8:30 AM
    #1
    hardtaco

    hardtaco [OP] Well-Known Member

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    Bradenton, FL
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    08 PreRunner SR5 Double-Cab
    I need the bank 1 sensor 1 O2 sesor in my 04 V6 PreRunner replaced, and I am not financially able to do it right now. What harm is going to be done to my truck if I leave it this way with the check engine light on, because of this faulty O2 sensor? I am not cheap, just broke.
     
  2. Jun 21, 2009 at 8:37 AM
    #2
    Brunes

    Brunes abides. Staff Member

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    Inside: Tint, Wet Okole 1/2 Piped Red/Black Covers, Black Weathertech Digital Fit Mats, URD Short Throw w/ TWM Weighted Knob, USA Spec iPod adapter. Outside: 4300K Retro w/ Angel Eyes and Red Shrouds, 5000K Blazer Fog Light Retrofit, Debadge, Bed Locking Handle, Satin Black Rims Performance: TRD/Steigmeier Blower w/ 2.7 Pulley. 668 Injectors and 320 LPH AEM Fuel pump. URD UCON and 7th Injector. DTLT Headers, URD Y-Pipe, Wicked Flow Muffler. Suspension: Both: OME Shocks Front: 886X's and TC UCAs Rear: Dakars Armor: Relentless Front Bumper Relentless High Clearance Rear w/ Tire/Rotopax Swing Out Relentless Front, Mid, and TCase skids BAMF Diff Skid Recovery and Spares: Fullsize Spare Tire 2x2 gal Rotopax 1x1 gal Rotopax 1x1 gal Water Rotopax Warn 9.5XP-S Winch Hi-Lift Extreme 60" Ironman Off-Road Recovery Kit Upcoming: ATO Gas Tank Skid and Sliders w/ kickout. ATO Shackle Flip Kit. Down the line: Front/Rear ARB Lockers w/ OBA. 4.56 Gears
    It's probably going to run like shit...so it's going to cost you in gas.
     
  3. Jun 21, 2009 at 9:58 AM
    #3
    humanoid

    humanoid bite me

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    I had a '99 Xtra Cab PreRunner SR5 V6
    Shitty gas mileage (which means more $$$), engine will run like crap, etc.
     
  4. Jun 21, 2009 at 2:02 PM
    #4
    ChrisYoTaCoMa

    ChrisYoTaCoMa Chrome's for Harleys and old farts

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    New Pioneer stereo, and all 4 speakers with Infinity components. Sirius satellite radio. Deckplate mod done. Door buzzer silenced forever thank God, tinted windows, vent visors, hood protector(bug guard), ceramic pads and new rotors, dechromed EVERYTHING. 2" Lift front 3" rear. Skyjacker AAL's and replacement leafs(and front spacers) from Fatbobsgarage.com. Skyjacker 7000 Hydro rear shocks, those Bilstein 5100 fronts are coming soon!
    It will get VERY bad mileage, run like shit, crap up your cat convertor, you will get a very rich fuel smell from exhaust. Ask me how I know. I was getting 20-22mpg from my taco, when the o2 sensor took a crap it went down to 11 or 12 if I was lucky. And my exhaust looked like it was coming out of a diesel motor. I would just do anything to try to get one.
     
  5. Jun 21, 2009 at 8:29 PM
    #5
    wildjerseyfirefighter

    wildjerseyfirefighter I sell fishing and fishing accessories

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    stock, for now
    if its the same one i replaced, there about $70 from urd.
     
  6. Jun 21, 2009 at 11:46 PM
    #6
    2004Taco

    2004Taco Well-Known Member

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    Magnaflow and Deckplate Mod Billet grille
    Wont pass SMOG test
     
  7. Jun 24, 2009 at 7:53 PM
    #7
    attentionwhore

    attentionwhore Durty Whore

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    I can confirm the fact that it runs like shit. I am going through the same issue right now with the same sensor. At first it was ok for about 1.5 months and lately it has gotten worse, not really with the fuel mileage but more with performance. Sometimes I press the gas to the floor and the truck doesnt accelerate correctly, it is only when I lift and press again does the acceleration happen. I saw them listed for about $142. If anyone knows where to source one cheaper, that would be great.
     
  8. Jun 24, 2009 at 8:13 PM
    #8
    Toy4Life

    Toy4Life 668: The Neighbor of the Beast

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    92 4Runner SR5 3.0v6 4x4(sold) 02 Tacoma SR5 TRD Offroad 4x4 (sold)
    I had a check engine light for nearly a year on and off for one of my o2 sensors (without any ill affects) before I sold my Tacoma. You really won't need to worry about it until it starts to affect the way the truck runs and hurts your fuel economy.
     
  9. Jun 25, 2009 at 3:03 PM
    #9
    josh..

    josh.. Well-Known Member

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    '02 SR5 V6 4x4 Double Cab
    K&N drop-in air filter, body lift.
    Yeah I only ever noticed worse gas mileage and running pig rich.
     
  10. Jun 27, 2009 at 9:06 AM
    #10
    attentionwhore

    attentionwhore Durty Whore

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    Just ordered my new sensor from Rock Auto for $142
     
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