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VSC/TRAC ABS and CHECK ENGINE

Discussion in '4th Gen 4Runners (2003-2009)' started by Dfraley379, Apr 8, 2018.

  1. Apr 8, 2018 at 5:48 PM
    #1
    Dfraley379

    Dfraley379 [OP] New Member

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    2004 4runner SR5.

    Ive done zero point on VSC lights. They come back on. This lead me to research the issue, turns out that the vehicle computer shuts off stability control if there is an issue with how the engine is performing. The codes I'm getting now are bank 2 cat. Is that something I can easily replace myself with a little bit of determination? Or should I take it to a mechanic and bend over?
     
  2. Apr 9, 2018 at 4:02 AM
    #2
    POOLGUY

    POOLGUY New Member

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    I had the same lights come on. It turned out to be the gas cap. Bought a new one from the dealer, and solved the problem on ours.
     
    RonT4R likes this.
  3. Apr 12, 2018 at 10:59 AM
    #3
    NOVA T4R

    NOVA T4R New Member

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    I had the same issue. I replaced the gas cap, and the battery, which solved the problem.

    This was on a 2003 V8 4WD with 118k miles.
     
  4. Apr 18, 2018 at 5:38 PM
    #4
    tmcnamee

    tmcnamee New Member

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    Went to dealer and they said it was emission related. I hit a stump hard the day before and had a large dent in the catalitic converter. They turned of the light but said it will probably come back on. Also said that I was probably polluting more than others now. Anyone know how to turn off these lights?
     
  5. Apr 18, 2018 at 5:55 PM
    #5
    NOVA T4R

    NOVA T4R New Member

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    Wow. Did they say how much the repair would cost?
     
  6. Apr 27, 2018 at 5:53 PM
    #6
    tmcnamee

    tmcnamee New Member

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    it was going to be $130 to take it in and do full diagnosis. Also implied that it is no big deal.
     
  7. Apr 27, 2018 at 6:06 PM
    #7
    NOVA T4R

    NOVA T4R New Member

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    In VA (where i'm at) you gotta pass emissions, otherwise they won't renew your plates. Hope it works out quickly, and you don't have an issue.
     
  8. Sep 27, 2018 at 6:26 PM
    #8
    tmcnamee

    tmcnamee New Member

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    In SC with no emissions laws. Quote to replace cats is $3,ooo for both as they come with the manifolds attached. Anyone know a cheaper way to replace cats?
     
  9. Sep 28, 2018 at 10:01 PM
    #9
    dannyk35

    dannyk35 New Member

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    I'm battling these codes with my '06. Its not the gas cap either. I really don't want to spend $130 on diagnosis..
     
  10. Sep 29, 2018 at 1:35 PM
    #10
    tmcnamee

    tmcnamee New Member

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    Auto Zone will do the test for free.
     
  11. Oct 2, 2018 at 4:38 PM
    #11
    another-bill

    another-bill New Member

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    Weather Tech mats! lol
    I pissed away a lot of money trying to avoid that $130, and in doing so I spent over $1,600 having crap done that didn't fix anything. Finally "that guy" at Auto Zone suggested I go to the Toyota dealership because their OBD reader was a LOT more sophistacated than theirs. It provides a complete "snap shot" of everything at the split second the code is triggered, from the water temp to the oil pressure. So, no, it wasn't my intake manifold gasket, no it wasn't the fuel injector O rings, no it wasn't the gas cap and no it wasn't the MAF, what it was, it was the fuel pump, which the shop that did all the needless shit concluded was fine. Toyota showed me my motor was running a 40/1 gas/air mixture, the max it can run, instead of the 14.7/1 it is supposed to run. He said I was about to burn the pistons up and ruin the motor. Had I spent that $130 first I would have that $1,600 in my pocket.
     
    Last edited: Oct 4, 2018
  12. Oct 4, 2018 at 11:38 AM
    #12
    Jen76

    Jen76 New Member

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    Hey guys, have the same issues with my 2006. Within 6 months I have replaced gas cap, fuel tank filler and charcoal cannister. My lights popped up this morning! Checked gas cap. Tried turning it off and on. Still lights are there. Any other suggestions?
     
  13. Oct 5, 2018 at 6:52 PM
    #13
    POOLGUY

    POOLGUY New Member

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    Welcome to 4runners!

    If you have replace the gas cap, then you can try a auto parts store. Like advance auto, O'Reilly's or somewhere similar. Or, you can pick up a code reader at harbor freight. They are not very expensive.
     
    Jen76 likes this.
  14. Oct 5, 2018 at 6:57 PM
    #14
    Jen76

    Jen76 New Member

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    Thank you. I did end up buying one. See picture. P0456

    DA4A06DB-81BB-4CCB-BAE7-209B38107052.jpg
     
  15. Oct 6, 2018 at 5:52 PM
    #15
    POOLGUY

    POOLGUY New Member

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    This is out of the repair manual for my '08 tacoma. Maybe it will help.P_20181006_194305.jpg P_20181006_194354.jpg P_20181006_194403.jpg P_20181006_194428.jpg P_20181006_194446.jpg
     
    Jen76 likes this.
  16. Oct 15, 2018 at 2:52 PM
    #16
    swimupstream

    swimupstream New Member

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    Okay so this is an awesome timely thread! Instead of posting my own, let's see if I can get some feedback traction here in the same boat....

    So I've had a dash like a christmas tree since 2 months after buying my truck 5 years ago. (150k then, replaced engine at 165k, 205k now.) Pulled several codes, and the longer I waited the more cascading codes came about. Vehicle runs fine, just annoying.


    I recall early on when we did the codes it started with O2 sensors. Then others... then others. I've forgotten everything b'c it was never a problem. The only problem I notice (if it is even related), is a terrible exhaust odor 50% of the time.

    I haven't done the O2 sensors b'c--- well, I'm "frugal." Hate to replace 1, or 2, or heck all 4! and it be of no help.

    The new mechanic (knows I like to do a lot of my own work) pulled it as cam shaft position sensor bank 1.

    Here's my thought... I've got not behavioral symptoms. Wouldn't a bad CSP sensor give me some kind of symptomology at some point in the last several years?

    One CSP sensor is much better than 4 O2 sensors... but also not another $100+/- I want to spend if it isn't needed.


    Any ideas, or questions to pin to me, are appreciated.


    JB
    (Lights are check engine, and the whole VSAC control series... thus why I pitched into this thread. Those I've read both O2 and cam sensor can trigger to disable, as mentioned above.)
     
  17. Oct 15, 2018 at 3:15 PM
    #17
    Jen76

    Jen76 New Member

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    You replaced gas cap? I assume. I replaced mine twice and the filler tank.
     
  18. Oct 15, 2018 at 3:42 PM
    #18
    swimupstream

    swimupstream New Member

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    Yknow, I never have. Maybe bc it just seemed too far off and w the codes... Guess I should give it a shot at this stage... I can always take it back! Lol

    Before I get to digging, were there any specific parameters to be sure of besidesjust a regular plastic gas cap?

    Thx for calling me on the carpet!
     
  19. Oct 15, 2018 at 4:56 PM
    #19
    Jen76

    Jen76 New Member

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    Oem gas cap. Got mine cheap on Amazon. I replaced it cleared codes and all good.
     
    RonT4R likes this.
  20. Oct 18, 2018 at 7:03 PM
    #20
    swimupstream

    swimupstream New Member

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    No go on the cap. Seemed to stay off for a half second after the truck started, came back on. Did a reset (battery disconnect), came back on after about 20 seconds. Drove w it for about 40min to see if it would self reset, no luck.

    Worth a try though!

    Straight to CSP sensor? O2? Or any other thoughts?

    Thx
     

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