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Tranny problem. I was in New Mexico @ 10k' when my 16 off-road died in the highway. Message said tra

Discussion in '3rd Gen. Tacomas (2016-2023)' started by phawk, Aug 12, 2016.

  1. Aug 14, 2016 at 7:17 PM
    #61
    jsinnard

    jsinnard Well-Known Member

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    Your reported symptoms is why I was thinking CPS. Hard to say how the ECM will respond if it causes misfires or erratic fuel delivery / idling that might exercise the transmission to higher temps. You start mashing the gas pedal to compensate to keep power to the engine until limp mode or it stalls.

    Mike O, Are you located in the southwest or was your truck subjected to a lot of heat in your area a few days before your failure?
     
  2. Aug 14, 2016 at 7:19 PM
    #62
    Lawfarin

    Lawfarin Who me?

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    Good to know, I wouldn't think that it would give that warning. I'm not sure why they would replace the catalytic converter unless some codes were present. But I suppose of the CPS sensor was malfunctioning then perhaps too much fuel was getting into the cat and heating it up?

    Op made it seem at first like he was towing, then not, then maybe driving around in second gear, hell I don't know what's going on lol
     
  3. Aug 14, 2016 at 7:21 PM
    #63
    Mike O

    Mike O Well-Known Member

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    North Arkansas - Less than 2000 miles. Didn't even use it for days previous. Drove exactly two miles the morning of the failure. Parked for 20 minutes while I ate breakfast. Failed leaving the lot. I don't think heat is the cause of failure of the CPS; but could certainly be wrong.
     
    smitty99 likes this.
  4. Aug 14, 2016 at 7:24 PM
    #64
    phawk

    phawk [OP] Active Member

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    Interesting these last few posts getting at what might really be wrong. They're coming to pick mine up in the morning for more study. So far their messages are telling them that the cat converter got really hot and it backfired which they say scrambled part of the brain. They admitted the computer couldn't deal with the backfire. Then they replaced the Cat. All this is over my head but anticipate hearing how SilverTaco does with his.
     
  5. Aug 14, 2016 at 7:25 PM
    #65
    jsinnard

    jsinnard Well-Known Member

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    Yeah I was confused and thought he was towing too, turns out he got a bit of a run around with getting his truck towed to a dealer so he towed it behind the motor home to a dealer for the first analysis and had the catalytic converter replaced. A few miles later the problem repeated along with the transmission temp but he says the transmission was shifting fine. At least that's my current understanding right now.
     
    Lawfarin[QUOTED] likes this.
  6. Aug 14, 2016 at 7:26 PM
    #66
    Mike O

    Mike O Well-Known Member

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    When my CPS failed I had to restart several times to get out of traffic with 5 minute delay between. When the dealer picked mine up, they drove it back to the dealership (3 miles). Others, who were in more out of the way places managed to drive for a number of miles. I believe the cat converter replacement is a result of the CPS failure (crank out of position/sync). At least one other with the CPS problem are reported replacement of both the CPS and cat. But I'm not a tech and could certainly be wrong. But I don't think so....:D
     
  7. Aug 14, 2016 at 7:32 PM
    #67
    jsinnard

    jsinnard Well-Known Member

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    When mine and my brother's failed (different cars) last summer, they just stalled but would restart after a few minutes when they cooled. They didn't throw any check engine lights until a few restarts later when it finally died for good. We thought we could get his to the dealership but it died just a few blocks away and had to be towed. We learned that lesson and I had a part in the car when mine died so we were able to correct on the spot.

    Heat seemed to be the culprit in our failures, (hot summer days and a few miles of driving) and these were both Mazdas, not Toyotas.
     
  8. Aug 14, 2016 at 7:32 PM
    #68
    rkd1119

    rkd1119 Well-Known Member

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    If those fluids meet the same specs (type W?) as Toyota fluid I think you're wrong. Isn't there a law prohibiting the voiding of warranties for use of aftermarket parts?
     
  9. Aug 14, 2016 at 8:50 PM
    #69
    Silvertaco44

    Silvertaco44 Member

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    Update on my issue so far. Drove my taco around today to see if it would happen again. Yes it did. Light city driving. It happened while pulling into a parking spot just sputtered and shutoff. Didn't bother restarting. Just walked around the store for a bit to let it cool off. Restarted after 30 mins. Went home. Went out again for a short drive and it sputtered and jerked. It even accelerated on its own. Pulled into a parking spot while stepping. On the brake as it tried to accelerate. Put it in park and idled it. Idled for 3 seconds then shutdown. Same messages came up. Trans fluid high, oil pressure low and low system voltage. Went inside ate. It started right back up. Drove home about 8 miles and it sputtered again about a block from hope. Tried to give it fuel and it did t help. It died and I coasted to my driveway. Dealerships are closed on Sunday. So I will take it in tomorrow.
     
  10. Aug 15, 2016 at 4:27 AM
    #70
    rkd1119

    rkd1119 Well-Known Member

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    Start documenting everything. Lemon law case building it sounds like. That's crazy. Good luck.
     
  11. Aug 15, 2016 at 8:50 AM
    #71
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
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    No, it's not. All have owned yota's in the passed and some still do.

    From this point on, consider all past and future posters warned: This thread is to remain on topic.

    If I have to clean out 221 more posts...there will be members cleaned out along with them... :cool:

    threadjacked[1].gif
     
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  12. Aug 15, 2016 at 9:13 AM
    #72
    phawk

    phawk [OP] Active Member

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    Interesting these last few posts getting at what might really be wrong. They're coming to pick mine up in the morning for more study. So far their messages are telling them that the cat converter got really hot and it backfired which they say scrambled part of the brain. They admitted the computer couldn't deal with the backfire. Then they replaced the Cat. All this is over my head but anticipate hearing how SilverTaco does with his.
    .
    Toyota Care picking it up this time no charge on a 70 mile tow.
     
    Gander likes this.
  13. Aug 15, 2016 at 10:36 AM
    #73
    swimmer

    swimmer Well-Known Member

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    OP, dealers don't like to be presented with internet forum information but in this case your problem seems pretty clear as obviated by some of the posts in his thread. Maybe bringing in some print outs of those relevant posts would be useful. And you'll have some useful reference when they continue not to believe you until finally resorting to fixing it as you suggested.
     
  14. Aug 15, 2016 at 10:47 AM
    #74
    jsinnard

    jsinnard Well-Known Member

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    Since the CPS helps the ECM determine the correct amount of fuel to deliver, a faulty one could cause too much fuel resulting in the catalytic converter failure.

    Cat likely was bad now but not likely the cause of your problem, just an additional result.

    Let us know what they say.
     
    shakerhood likes this.
  15. Aug 16, 2016 at 7:04 PM
    #75
    Silvertaco44

    Silvertaco44 Member

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    I got my Tacoma back. CPS failure. They replaced it so far so good. Took them a couple days to diagnose, order and replace the part. All the while I had to drive the loaner. A sienna! Lmao.
     
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  16. Aug 18, 2016 at 8:17 AM
    #76
    phawk

    phawk [OP] Active Member

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    Talk to my service guy this morning. Said the had figured out it might b a CPS bad and mab another sensor. Calling factory guy to make sure he's on the track. Had it sense Monday. I'm all about patience
     
  17. Aug 31, 2016 at 8:52 AM
    #77
    phawk

    phawk [OP] Active Member

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    Called service today to check on news about my Taco. He said they had ordered new parts and waiting. When they put on the new "Cat converters" they r supposed to call factories guys with new codes. This the 15th working day they've had it this time. The way I read it they must repair the problem. If it isn't fixed it falls into the Lemon categorie. Just one more breakdown or 8 more days in their shop and they own it. I think if I were a Toyota dealer I would start replacing all kinds of sensors. Maybe it's Toyotas dime and not the dealer.
     
  18. Aug 31, 2016 at 9:06 AM
    #78
    flatus

    flatus Well-Known Member

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    Wow! Crazy they have had it that long without a fix.
     
  19. Aug 31, 2016 at 9:54 AM
    #79
    phawk

    phawk [OP] Active Member

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    The shop foreman called me last Friday telling me he hasn't the slightest idea what's wrong with the truck. Said he has even gone to this website looking for answers. Couldn't believe another cat converter was bad with less than 200 miles on it. I guess Toyota told him to replace it again to get rid of those codes and see what else pops up. It failed for him with his computer hook to it. Says the CPS showed no sign of failing. The cat was bad again by then. Don't think I want this truck anymore at this point. If I get it back they better have a good story
     
  20. Aug 31, 2016 at 10:30 AM
    #80
    GasPowered

    GasPowered Well-Known Member

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    @phawk, are you in OKC? If so, what dealership are you using? You can pm if you don't want to disclose on the forum.
    I've already had a bad experience at one dealership in OKC. They didn't seem to have a clue about customer service or know much about the 3rd Gen Tacoma.

    Cheers
     

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