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Rorus33




Joined: Dec 12, 2006
Posts: 3



(Msg. 1) Posted: Tue Dec 12, 2006 11:12 am
Post subject: Car studders durring acceleration...
I own a 98 Accord EX 4cyl with 120k miles... I took a long road trip about 6,000 miles ago and noticed that durring medium to heavy acceleration my car studdered in 2nd and 3rd gear at around 3500-4000 rpm's. If I baby it and accelerate with about 1/4 to half throtle there is no problem. Anyway, I took it to my mechanic and had the trany flushed and refilled. The problem seemed to be solved. Now, while on my way to work thismorning it started up again. I just got off the on-ramp to the highway, started accelerating into traffic and all of a sudden the car hits 3700rpm's and studders, jolts and slips until i take my foot off the throtle and baby it through the gears. Does anyone have any suggestions? Fuel filter perhaps?

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michaeltnull

External


Since: Oct 30, 2004
Posts: 1802



(Msg. 2) Posted: Tue Dec 12, 2006 5:28 pm
Post subject: Re: Car studders durring acceleration... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
"Rorus33" <none.TakeThisOut@000.com> wrote in message
news:950121_e9f68180517e32f97242233855b5f55a@autoboardz.com...
>I own a 98 Accord EX 4cyl with 120k miles... I took a long road trip
> about 6,000 miles ago and noticed that durring medium to heavy
> acceleration my car studdered in 2nd and 3rd gear at around 3500-4000
> rpm's. If I baby it and accelerate with about 1/4 to half throtle
> there is no problem. Anyway, I took it to my mechanic and had the
> trany flushed and refilled. The problem seemed to be solved. Now,
> while on my way to work thismorning it started up again. I just got
> off the on-ramp to the highway, started accelerating into traffic and
> all of a sudden the car hits 3700rpm's and studders, jolts and slips
> until i take my foot off the throtle and baby it through the gears.
> Does anyone have any suggestions? Fuel filter perhaps?
>
>
It really sounds like a failing spark plug, but it could be plug wires or
even the distributor cap or rotor. If the plugs are old or are Champion or
Bosch (even if new), replacement is a good idea. Ditto with the ignition
tune-up parts. Lotsa experienced people here are adamant about using genuine
Honda ignition parts (except plugs... NGK are okay). I came around to their
way of thinking through sad experience.

Anyway, fixing up the ignition is a great place to start. I suspect it is
even the answer you are looking for.

Mike

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Stewart DIBBS

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Since: May 02, 2005
Posts: 313



(Msg. 3) Posted: Tue Dec 12, 2006 7:27 pm
Post subject: Re: Car studders durring acceleration... [Login to view extended thread Info.]
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"Rorus33" <none.TakeThisOut@000.com> wrote in message
news:950121_e9f68180517e32f97242233855b5f55a@autoboardz.com...
>I own a 98 Accord EX 4cyl with 120k miles... I took a long road trip
> about 6,000 miles ago and noticed that durring medium to heavy
> acceleration my car studdered in 2nd and 3rd gear at around 3500-4000
> rpm’s. If I baby it and accelerate with about 1/4 to half throtle
> there is no problem. Anyway, I took it to my mechanic and had the
> trany flushed and refilled. The problem seemed to be solved. Now,
> while on my way to work thismorning it started up again. I just got
> off the on-ramp to the highway, started accelerating into traffic and
> all of a sudden the car hits 3700rpm’s and studders, jolts and slips
> until i take my foot off the throtle and baby it through the gears.
> Does anyone have any suggestions? Fuel filter perhaps?

Plug leads?

SD
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Rorus33




Joined: Dec 12, 2006
Posts: 3



(Msg. 4) Posted: Wed Dec 13, 2006 8:23 am
Post subject: Re: Car studders durring acceleration... [Login to view extended thread Info.]
I don't know why that thought never crossed my mind. Thanks guys, I'll give it a try.
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motsco_

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Since: Oct 24, 2006
Posts: 626



(Msg. 5) Posted: Thu Dec 14, 2006 7:33 am
Post subject: Re: Car studders durring acceleration... [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
Rorus33 wrote:
> I own a 98 Accord EX 4cyl with 120k miles... I took a long road trip
> about 6,000 miles ago and noticed that durring medium to heavy
> acceleration my car studdered in 2nd and 3rd gear at around 3500-4000
> rpm’s. If I baby it and accelerate with about 1/4 to half throtle
> there is no problem. Anyway, I took it to my mechanic and had the
> trany flushed and refilled. The problem seemed to be solved. Now,
> while on my way to work thismorning it started up again. I just got
> off the on-ramp to the highway, started accelerating into traffic and
> all of a sudden the car hits 3700rpm’s and studders, jolts and slips
> until i take my foot off the throtle and baby it through the gears.
> Does anyone have any suggestions? Fuel filter perhaps?

======================================

When you do a drain-n-fill on a Honda automatic it's supposed to be
three times, or four. You may have only replaced about 1/3 rd of the
capacity. Be sure to use only Honda Z1, no substitutes. At 120,000 MILES
and 8 years you owe your tranny a bit of care for sure.

'Curly'
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zardozrocks

External


Since: Dec 04, 2006
Posts: 15



(Msg. 6) Posted: Fri Dec 15, 2006 3:36 pm
Post subject: Re: Car studders durring acceleration... [Login to view extended thread Info.]
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I'm having a very similar problem with a much older Honda (1987
prelude).

I'm certainly no expert but in my car it seems to be related to either
ignition or fuel delivery because it sounds suspiciously like a car
running out of gas. I have a 5 speed manual transmission which
reinforces my thinking that it's not related to the tranny. I've had a
vehicle where the clutch slips and another where the gears are stripped
and it doesn't feel like that at all. It feels as though the engine is
just not firing due to lack of fuel or failure to spark.

I managed to download a shop manual which had a troubleshooting chart.
The troubleshooting table suggests any number of things could be
the problem when you have a lack of power at lo/mid/hi RPM
* fuel injector open or short circuited, stuck injector (they do seem
to be leaking)
* faulty fuel pump / fuel pump relay OR poor grounding
* improper fuel line pressure OR clogged fuel filter
* manifold absolute pressure sensor - open or short circuited, broken
or disconnected hose, faulty sensor



On Dec 12, 12:25 pm, Rorus33 <n....TakeThisOut@000.com> wrote:
> I own a 98 Accord EX 4cyl with 120k miles... I took a long road trip
> about 6,000 miles ago and noticed that durring medium to heavy
> acceleration my car studdered in 2nd and 3rd gear at around 3500-4000
> rpm's. If I baby it and accelerate with about 1/4 to half throtle
> there is no problem. Anyway, I took it to my mechanic and had the
> trany flushed and refilled. The problem seemed to be solved. Now,
> while on my way to work thismorning it started up again. I just got
> off the on-ramp to the highway, started accelerating into traffic and
> all of a sudden the car hits 3700rpm's and studders, jolts and slips
> until i take my foot off the throtle and baby it through the gears.
> Does anyone have any suggestions? Fuel filter perhaps?
>
> --
> Posted at author's request, usinghttp://www.AutoBoardz.cominterface
> Articles individually verified to usenet standards. Visit URL to contact author/report abuse
> Thread archive:http://www.AutoBoardz.com/Car-studders-durring-acceleration-ftopict20...
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