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Hello All
I am working on my daughter's '00 Accent, 5 speed with 191XXX Km. It starts and idles OK, but stumbles and bucks and hesitates when trying to accellerate. when it eventually gets up to speed, it runs pretty good at 120K/HR,(70MPH) but stumbles again it if I try to give it more accellerator. When it runs that fast and that well, there must be something fairly simple like a sensor or something else not right. The dealer (who is not very helpful) says that its an old car and shouldn't be expected to work like new. (big help he is) and I feel he just wants to sell her an new car. Any suggestions on where to start? I work on most of my 4 vehicles myself, but know the value of asking for help in places like this to get started.

Thanks

Bob
 

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QUOTE (bobdgraham @ Jun 22 2010, 09:43 PM) index.php?act=findpost&pid=335162
Hello All
I am working on my daughter's '00 Accent, 5 speed with 191XXX Km. It starts and idles OK, but stumbles and bucks and hesitates when trying to accellerate. when it eventually gets up to speed, it runs pretty good at 120K/HR,(70MPH) but stumbles again it if I try to give it more accellerator. When it runs that fast and that well, there must be something fairly simple like a sensor or something else not right. The dealer (who is not very helpful) says that its an old car and shouldn't be expected to work like new. (big help he is) and I feel he just wants to sell her an new car. Any suggestions on where to start? I work on most of my 4 vehicles myself, but know the value of asking for help in places like this to get started.

Thanks

Bob
Hi Bob,

When were the plugs and leads last changed? I only ask because I had the exact same problem on my August 03, 5 speed Accent. After replacing the plugs and leads runs perfect. Symptoms I experienced - stuttering taking off, underpowered, but once sitting on cruising speed (anywhere from 60-100) ran perfectly. Hope this helps.

Cheers,
Dan
 

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if no codes then i guess on plugs, but more a bad plugwire had that before and it drove me nuts for a year!
started right up, accelerate and it almost stalls . high rpm it was fine.
and it was a plugwire on cyl 1!

or other sugestion had that ,too!

crank position sensor.... it screwes up everything, cause it doesn't know when to fire!
 
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