Having problems with my 2001 Tiburon Engine seems to misfire - Hyundai Forum: Hyundai Performance Forum
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#1 Old 12-02-2002, 08:46 PM
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Default Having problems with my 2001 Tiburon Engine seems to misfire

I'm having problems with my car, the engine seems to be missfiring.

I took the car in last week to the dealer and they said that the 2nd cylinder WAS infact missfiring and they fixed it under warranty.

Problem is, after about 2-3 days of no problems, the missfiring is back.

The engine get starts to shudder.
It seems to happen in 2nd, 3rd, 4th, and 5th gear at around 2-3 thousand rpm (sometimes up to 4000rpm)

What are the possible causes of this?

I have to postpone my turbo install now b/c of this, so I would like to resolve this problem as soon as possible. I'm taking the car back Wednesday or Thursday, but I wanted to know if anyone here knows anything about this or has experienced this themselves.

Thanks

My Setup:

Turbo
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#2 Old 12-02-2002, 08:55 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

Any idea what they did to "fix it"?

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#3 Old 12-02-2002, 08:59 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

did you check your spark plug wires? Take of the wire cover and see if the dealer had change it. sometimes , they'll just tape it up. They did on my cousins car. More likely that you are jumping some sparks. Try to change the wires and maybe that will fix your problem. Also, check your plugs. they could be burnt out.
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#4 Old 12-02-2002, 09:21 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

Check all of your wires with an Ohm meter (resistance). Also check their physical integrity. Check for corrosion and what not at both ends. Some di-electric grease at the connections wouldn't hurt either. Also make sure they're spaced out properly. If they're resting against each other that can cause misfiring problems as well.

Check your plus. Make sure the element is intact, gapping is propper, no scorching or any other common problems with plugs.

Check your coil-packs for corrosion. Again, di-electric grease is a good thing.

Start your car in the dark. Look for any sparks. You shouldn't see ANY. If you do then something is exposed and its arcing. Take it to your mechanic. : Try and find out what they did to "fix it" as rob said. That might offer some insight into your problems. Good luck and keep us updated.

[Edited by mouse on Dec 2, 2002 6:22 PM]

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#5 Old 12-03-2002, 12:25 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

I think I might be havin that similar problem with mine. Mine kinda studders to go when i hit the gas or hesitates a bit. And it seems to stay in gear long when it down shifts...i dunno...seems like it doesnt have the get and go that it did a year ago...any ideas...Is that what yous was doing?uzzled:

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#6 Old 12-03-2002, 08:41 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

I almost never offer my limited knowledge, but I do know I had the exact same sounding problem and the shudder. The shudder was cause of minor problems, the lag in downshifting... better sit down for this...Ok now that your sitting down... I have my second automatic trans right now and it's burned to sh!t. I was told that when they changed up my trans they failed to update the TCM therefore burning up the new trans. This may be your problem, maybe I'm kinda dumb with this stuff still but you might want to look into what I'm saying. Auto trans go for 2500 and if yours is bad to maybe do like me and convert to manual. Anyone correct me if I'm wrong and sorry about this book I just wrote.
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#7 Old 12-03-2002, 08:44 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

Quote:
Originally posted by MaierApril
[body]
The engine get starts to shudder.
It seems to happen in 2nd, 3rd, 4th, and 5th gear at around 2-3 thousand rpm (sometimes up to 4000rpm)
Thanks
[/body]
In my case this was short circuit in engine electronics.


Azrael
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#8 Old 12-04-2002, 01:24 AM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

did you have your coil pack checked? Now to think of it. I had the same problem after I installed my bottle. There was a break on the electrical circuit on the coil pack. After a while my coil pack went up in smoke and I had to buy a new one. you might want to take it back the dealer and run diagnostics on the circuit. It doesn't take long to do. more likely your problem is in the ignition.

as far as the studder goes, you might want to check your vacuum lines, also. I had that problem with my Maxima. It had a vacuum leak and made my car run like sh*t. jsut my 2cents.
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#9 Old 12-13-2002, 06:12 PM
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Default Re: Having problems with my 2001 Tiburon Engine seems to misfire

my 2001 tib is doin the same thing. I've spoken with two mechanics over the phone and was told it sounds like a big electrical problem. It started with the misfiring and as of today progressed to stalling out at lights and the radio not working. I'm taking it to the dealer tuesday.

Sounds like this may be a 2001 Tib issue. I'm not happy!uzzled:
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