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 Post subject: My Tucson hesitates...
PostPosted: Sun Dec 10, 2006 9:25 pm 
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Joined: Thu Jun 29, 2006 7:42 am
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Location: Winnipeg, Manitoba
My Tucson seems to hesitate when I tromp on the gas and want to go quick. When I mentioned it to the dealership they said they could reset the computer for free.

He said it was something to do with the computer memorizing my habits...except it had this habit when I got it. I find it annoying that it doesn't respond as quick as I'd like it to.

What does this procedure entail? They said they would do it at my next oil change. Isn't this something I can do myself?

Deb.

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 Post subject:
PostPosted: Mon Dec 11, 2006 2:00 am 
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Joined: Wed Apr 19, 2006 10:48 pm
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Location: ON, Canada
What vehicle do you own?: Tucson
Location: Mississauga Ontario
Noope can't do it yourself!

From what I know they hook up your car to a computer and reset it to the factory settings or whatever...not just a simple push of a button:)

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 Post subject:
PostPosted: Mon Dec 11, 2006 7:54 am 
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Joined: Tue Nov 07, 2006 7:35 pm
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Location: Ont, Canada
Hesitation is annoying. I don't see how this can be due to the computer memorizing driving habits. :roll:

But, wouldn't be the first time I'm wrong. :lol: Good luck.


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 Post subject:
PostPosted: Mon Dec 11, 2006 8:40 am 
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Location: Las Cruces, NM
Mine does the same thing. Only it doesn't do it when I don't have the AC on, so I just assumed it had to do with the AC and didn't worry about it. Plus my dealer sucks and the less I have to deal with them the better.

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 Post subject:
PostPosted: Mon Dec 11, 2006 6:20 pm 
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Joined: Fri Apr 21, 2006 9:19 am
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Location: Bloomington, Illinois
I have had problem with my Tucson lurching or hesitating while accelerating -

but in my case it was a simple fix that did not require any computers.


My daughter had been upset while my wife was pumping gas - and she failed to tighten the gas cap completely. after removing the gas cap again and placing it back on (making sure it clicked) the problem went away.

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 Post subject:
PostPosted: Wed Dec 13, 2006 11:54 am 
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huhh? it works?? .. hmm .. never tried it before

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 Post subject:
PostPosted: Wed Dec 13, 2006 4:16 pm 
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Location: ON, Canada
What vehicle do you own?: Tucson
Location: Mississauga Ontario
yup, it's important to realize to let the gas cap click 3 times (not exactly, but, that's a good number :P) after gassing up! Service department told me a lot of people get their engine light on because they don't tighten it enough.

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 Post subject: Motor problems!
PostPosted: Fri Dec 15, 2006 6:12 pm 
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Location: Doetinchem, Netherlands
Hello Debinatore,

It's a normal procedure that most of the dealers are trying to manipulate the motormanagement of your car. Not every driver has the same style of driving. Some are regular, some are sportive. So the dealer change, upgrade, your motor software to your style of driving.

I had it with my other car and that was a good choice. The car was more sportive and react better/quicker to my right foot.

Good luck with your upgrade :!:


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 Post subject:
PostPosted: Sat Dec 16, 2006 11:27 am 
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Thanks Redux for the info & thanks all for sharing your experience (OK)

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 Post subject:
PostPosted: Sat Jan 06, 2007 10:43 am 
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yeah thats what i had before...
but check here for what happened two weeks after the hesitation

http://tucson.forumup.com/viewtopic.php ... rum=tucson

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PostPosted: Mon Jan 08, 2007 6:11 pm 
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debinatore wrote:
My Tucson seems to hesitate when I tromp on the gas and want to go quick. When I mentioned it to the dealership they said they could reset the computer for free.

He said it was something to do with the computer memorizing my habits...except it had this habit when I got it. I find it annoying that it doesn't respond as quick as I'd like it to.

What does this procedure entail? They said they would do it at my next oil change. Isn't this something I can do myself?

Deb.


What the dealer is referring to is your ECU which manages the air/fuel flow management. All you have to do to reset it is disconnect your battery for 15-20 minutes (step on brake pedal once elminate any remaining juice in the system), then reconnect. Once the reconnected the ECU is reset. As you begin to drive again the ECU interprets how the engine is running at your current elevation and driving conditions, and begins to tune itself by adjusting air/fuel mixture, etc. to find a common ground between engine efficiency and gas mileage. My Elantra did the same thing, had a hesitation around 3800 rpm. Reset the ECU and it was fixed. Only temporarily though until Hyundai actually released a TSB to reprogram the ECU to eliminate the hesitation alltogether. Maybe they will do the same for the Tucson if it is the same sort of problem.


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 Post subject:
PostPosted: Mon Jan 08, 2007 7:29 pm 
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Joined: Thu Jun 29, 2006 7:42 am
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Location: Winnipeg, Manitoba
Thanks for the advice, I'll have to try that once the weather warms up here in Winterpeg

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 Post subject:
PostPosted: Tue Jan 09, 2007 7:20 am 
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Joined: Tue Nov 14, 2006 11:43 pm
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Location: Bucharest / Romania
About hesitate
My Tucson has too some hesitated, in the morning, in 2 or 3 gear step.
So, probably is a torque shock, because 4WD transmission, fill some torque curve instantly and try to discharge in traction control...
I try to verify, with ESP off miss anytime that hesitate.

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 Post subject:
PostPosted: Tue Jan 23, 2007 8:34 am 
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Location: Markham, Ontario, Canada
Hi gang, I had the same problem this moring. Vehicle would hesitate when you started away from stop sign or light. Took it to dealer, mechanic knew what was wrong without looking. It is comon on the V6 for the air intake hose to become disconnected at the clamp. When you start up the engine torque causes the hose to come away causing leak. They replaced the wire hose clamp with a band type clamp and all is well again.
They say this was compounded by the fact that the weather turned cold and the plastic tube contracted causing it to loosen within the clamp. I also had the vehicle Krown rust treated which may have lubricated the connection as well. Check you air inlet hose.

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 Post subject: mine did the same thing
PostPosted: Fri Feb 02, 2007 8:13 am 
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then it got worse and i had bad injector seals, smelled gas so bad, had to see a dr., then it got worse yet and i my fuel pump went, had it towed, had my engine light come on 3 times. ThisTucson is a fukin lemon!!! One more time this tuc gets towed, i told them i will give them the keys and they could have it. Fighting Hyundai is useless and even though i have great credt, i will let the bank reposess it. I already talked to the bank about it. Thats how bad I hate this truck.

Watch it close, if it hesitates to the point where it wants to stall, get it looked at.


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 Post subject:
PostPosted: Mon Feb 05, 2007 3:26 am 
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Joined: Wed Aug 30, 2006 6:28 am
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Location: The Great White North (aka Canada)
What vehicle do you own?: Tucson
Location: Burnaby
How old is it is forevervike & whereabouts do you live? Sounds like another bad dealership to avoid! :shock:

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 Post subject:
PostPosted: Mon Mar 12, 2007 8:16 pm 
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debinatore,

This happened to me too. Look at the top of your enine at where your airfilter is. I noticed it was not on properly, once I showed the dealer they fixed it.


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