Hyundai V6 Tucson limp mode problem




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  1. #1
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    Unhappy Hyundai V6 Tucson limp mode problem

    I am experencing a real problem with my V6 Tucson going into limp mode right when you don't need it, like half way through the overtaking of a double link truck. When this happens, I have to stop and remove the negative terminal of the battery so that everything resets itself. The only constant factor when this happens is the external temperature. It's happened a number of time now between Worcester and Robertson when the outside temp has been +36 degrees. I have just completed a trip to east London in the pre Christmas cooler weather, went via the Biavaanskloof and no problem on the way up but on the way back, the Oudtshoorn/Ladismith temp got up to 36 degrees and it happened again.
    I came into Cape Town last week when the temp was pretty close to 40 degrees and it happened again driving up out of Hout Bay so I limped to the agents in Diep River so that they could up it on the computer and try to pick up the problem. They replaced the accelerator sensor but it didn't help as it happened again on the road between Worcester and Robertson in a temp of close to 40 degrees. The vehicle is back with Hyundai in Diep River now and they have given me a loan car while they try to trace the problem. I am desperate to solve this and wonder if any of our forum members have had a similar experience. I would appreciate any leads.

    Bobby Blue
    Montagu
    (Tony) 082 850 1246

  2. #2
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    Unhappy

    Quote Originally Posted by Bobby Blue View Post
    I am experencing a real problem with my V6 Tucson going into limp mode right when you don't need it, like half way through the overtaking of a double link truck. When this happens, I have to stop and remove the negative terminal of the battery so that everything resets itself. The only constant factor when this happens is the external temperature. It's happened a number of time now between Worcester and Robertson when the outside temp has been +36 degrees. I have just completed a trip to east London in the pre Christmas cooler weather, went via the Biavaanskloof and no problem on the way up but on the way back, the Oudtshoorn/Ladismith temp got up to 36 degrees and it happened again.
    I came into Cape Town last week when the temp was pretty close to 40 degrees and it happened again driving up out of Hout Bay so I limped to the agents in Diep River so that they could up it on the computer and try to pick up the problem. They replaced the accelerator sensor but it didn't help as it happened again on the road between Worcester and Robertson in a temp of close to 40 degrees. The vehicle is back with Hyundai in Diep River now and they have given me a loan car while they try to trace the problem. I am desperate to solve this and wonder if any of our forum members have had a similar experience. I would appreciate any leads.

    Bobby Blue
    Montagu
    (Tony) 082 850 1246
    Well that's about 50 viewing and no replies. Someone has since suggested that it could be the battery. Come to think of it I did replace the battery and seem to think this problem has only happened since then. The suggestion was that the battery is probably overheating under the bonnet and dropping in output causing the computer to go into limp mode. Any views on this?

    Bobby Blue
    (Tony) 082 850 1246

  3. #3
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    Default

    Nope, nothing to do with the electrics. All tested and fine. Hyundai recalled the vehicle and are replacing the fuel pump at their cost. They want me to run with it and see if it happens again. I must say that their attention to this problem is great and they really want to get to the bottom of it.

  4. #4
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    Bobby, what about the catalytic converter being blocked?

  5. #5
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    Default Limp Mode Problem. . .

    Bobby, speak to the Jeep guys, their vehicles seem to be in Limp Mode permanently!

    But seriously, I have no idea, this post just serves as a 'Bump'.

    Until I read your Thread, I thought that Limp Mode was something you took Viagra to fix!

  6. #6
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    Quote Originally Posted by JasonRSA View Post
    Bobby, what about the catalytic converter being blocked?
    Thanks Jason, it's already been checked and is not the culprit. I am going to go with the new fuel pump and filters for the moment and see how it goes.

    Cheers for now

  7. #7
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    Quote Originally Posted by Mad Manny View Post
    Bobby, speak to the Jeep guys, their vehicles seem to be in Limp Mode permanently!

    But seriously, I have no idea, this post just serves as a 'Bump'.

    Until I read your Thread, I thought that Limp Mode was something you took Viagra to fix!
    Tks Mad Manny,

    They say it take about an hour for Viagra to kick in. Don't think I want to wait on the side of the road for that long for it to take effect on the car.

  8. #8
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    Default

    And, are you sorted now?

  9. #9
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    Quote Originally Posted by leonlieb View Post
    And, are you sorted now?
    Thanks for asking. seems ok so far. Hyundai replaced the fuel pump. They say that the replacements output is better than the original pump. The problem hasn't happened again but the temp is cooler as we head towards autuum. Interestingly, my fuel consumption is worse. I used to average 12.7 litres per 100 kms now it's 13.4 with exactly the same driving pattern and routes. Must say that the service from Hyundai has been great. The vehicle has done over 120 000 kms and they charged me nothing for the new pump.
    Cheers for now.

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