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  #1 (permalink)  
Old 29 May 2004, 05:30 pm
Thien-Anh
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Default Honda Civic DX 1990 - cannot accelerate properly

Honda Civic DX 1990
I changed an used distributor about two years ago. I have a one-month new
clutch and all my valves are adjusted. My water pump and timing belt are
about two years. My car ran smoothly for the first week after adjusting the
valves, but the same old problem occur after that. The problem is that when
I press on the gas pedal unexpectedly, it does not accelerate immediatelly.
Some times it does not even accelerate. The engine is reving, but no
acceleration. I took to so many mechanic, but no one knows what causes it.
Any one has similar problem, please share. Thank you.



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  #2 (permalink)  
Old 29 May 2004, 06:11 pm
motsco_ _
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Default Re: Honda Civic DX 1990 - cannot accelerate properly

Thien-Anh wrote:
> Honda Civic DX 1990
> I changed an used distributor about two years ago. I have a one-month new
> clutch and all my valves are adjusted. My water pump and timing belt are
> about two years. My car ran smoothly for the first week after adjusting the
> valves, but the same old problem occur after that. The problem is that when
> I press on the gas pedal unexpectedly, it does not accelerate immediatelly.
> Some times it does not even accelerate. The engine is reving, but no
> acceleration. I took to so many mechanic, but no one knows what causes it.
> Any one has similar problem, please share. Thank you.
>


+++++++++++++++++++

The new clutch needs to be adjusted, now that it's 'broken in a bit'.
If engine revs up, but no increase of ground speed, clutch is slipping.

If engine runs weak, timing belt is out a notch.

'curly'

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  #3 (permalink)  
Old 29 May 2004, 06:35 pm
Thien-Anh
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Default Re: Honda Civic DX 1990 - cannot accelerate properly


"motsco_ _" <"motsco_ _"@interbaun.com> wrote in message
news:40B918BA.1010701@interbaun.com...
> Thien-Anh wrote:
> > Honda Civic DX 1990
> > I changed an used distributor about two years ago. I have a one-month

new
> > clutch and all my valves are adjusted. My water pump and timing belt

are
> > about two years. My car ran smoothly for the first week after adjusting

the
> > valves, but the same old problem occur after that. The problem is that

when
> > I press on the gas pedal unexpectedly, it does not accelerate

immediatelly.
> > Some times it does not even accelerate. The engine is reving, but no
> > acceleration. I took to so many mechanic, but no one knows what causes

it.
> > Any one has similar problem, please share. Thank you.
> >

>
> +++++++++++++++++++
>
> The new clutch needs to be adjusted, now that it's 'broken in a bit'.
> If engine revs up, but no increase of ground speed, clutch is slipping.
>
> If engine runs weak, timing belt is out a notch.
>
> 'curly'
>

I forgot to mention that it also happen with the old clutch. This is the
first time I changed my clutch. So, would the problem occurs in the first
clutch?


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  #4 (permalink)  
Old 29 May 2004, 06:48 pm
Tony Hwang
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Default Re: Honda Civic DX 1990 - cannot accelerate properly

Thien-Anh wrote:

> "motsco_ _" <"motsco_ _"@interbaun.com> wrote in message
> news:40B918BA.1010701@interbaun.com...
>
>>Thien-Anh wrote:
>>
>>>Honda Civic DX 1990
>>>I changed an used distributor about two years ago. I have a one-month

>
> new
>
>>>clutch and all my valves are adjusted. My water pump and timing belt

>
> are
>
>>>about two years. My car ran smoothly for the first week after adjusting

>
> the
>
>>>valves, but the same old problem occur after that. The problem is that

>
> when
>
>>>I press on the gas pedal unexpectedly, it does not accelerate

>
> immediatelly.
>
>>>Some times it does not even accelerate. The engine is reving, but no
>>>acceleration. I took to so many mechanic, but no one knows what causes

>
> it.
>
>>>Any one has similar problem, please share. Thank you.
>>>

>>
>>+++++++++++++++++++
>>
>>The new clutch needs to be adjusted, now that it's 'broken in a bit'.
>>If engine revs up, but no increase of ground speed, clutch is slipping.
>>
>>If engine runs weak, timing belt is out a notch.
>>
>>'curly'
>>

>
> I forgot to mention that it also happen with the old clutch. This is the
> first time I changed my clutch. So, would the problem occurs in the first
> clutch?
>
>

Hi,
Sounds like timing issue.
Is there any vacuum leak in the intake manifold?
Tony

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  #5 (permalink)  
Old 30 May 2004, 03:03 am
Thien-Anh
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Posts: n/a
Default Re: Honda Civic DX 1990 - cannot accelerate properly


"Tony Hwang" <dragon40@shaw.ca> wrote in message
news:dj9uc.621827$Ig.190118@pd7tw2no...
> Thien-Anh wrote:
>
> > "motsco_ _" <"motsco_ _"@interbaun.com> wrote in message
> > news:40B918BA.1010701@interbaun.com...
> >
> >>Thien-Anh wrote:
> >>
> >>>Honda Civic DX 1990
> >>>I changed an used distributor about two years ago. I have a one-month

> >
> > new
> >
> >>>clutch and all my valves are adjusted. My water pump and timing belt

> >
> > are
> >
> >>>about two years. My car ran smoothly for the first week after

adjusting
> >
> > the
> >
> >>>valves, but the same old problem occur after that. The problem is that

> >
> > when
> >
> >>>I press on the gas pedal unexpectedly, it does not accelerate

> >
> > immediatelly.
> >
> >>>Some times it does not even accelerate. The engine is reving, but no
> >>>acceleration. I took to so many mechanic, but no one knows what causes

> >
> > it.
> >
> >>>Any one has similar problem, please share. Thank you.
> >>>
> >>
> >>+++++++++++++++++++
> >>
> >>The new clutch needs to be adjusted, now that it's 'broken in a bit'.
> >>If engine revs up, but no increase of ground speed, clutch is slipping.
> >>
> >>If engine runs weak, timing belt is out a notch.
> >>
> >>'curly'
> >>

> >
> > I forgot to mention that it also happen with the old clutch. This is

the
> > first time I changed my clutch. So, would the problem occurs in the

first
> > clutch?
> >
> >

> Hi,
> Sounds like timing issue.
> Is there any vacuum leak in the intake manifold?
> Tony
>

Interesting issue. I'll check that for sure. Any more possibilty? Thanks


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  #6 (permalink)  
Old 30 May 2004, 05:06 pm
jim beam
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Posts: n/a
Default Re: Honda Civic DX 1990 - cannot accelerate properly

check the tandem valve is operating properly. if you take off the top
off the throttle body, you can see it operating like a choke - it should
open when you open the throttle.

there's a piece of vacuum hose that runs from the tandem control valve
[at the bottom of the throttle body] to the tandem diaphragm. if this
is cracked & leaking, you'll have exactly the problems you describe
because the tandem is not opening fast enough and the valve is choking
off air supply to the engine during acceleration.

Thien-Anh wrote:
> Honda Civic DX 1990
> I changed an used distributor about two years ago. I have a one-month new
> clutch and all my valves are adjusted. My water pump and timing belt are
> about two years. My car ran smoothly for the first week after adjusting the
> valves, but the same old problem occur after that. The problem is that when
> I press on the gas pedal unexpectedly, it does not accelerate immediatelly.
> Some times it does not even accelerate. The engine is reving, but no
> acceleration. I took to so many mechanic, but no one knows what causes it.
> Any one has similar problem, please share. Thank you.
>
>
>


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  #7 (permalink)  
Old 31 May 2004, 02:58 am
Thien Anh
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Posts: n/a
Default Re: Honda Civic DX 1990 - cannot accelerate properly

These are great possibilities. I'll check it tomorrow and let you guys
know. Please let me know more if there are other possibilities. Thanks
all.

"jim beam" <uce@ftc.gov> wrote in message
news:HVsuc.76572$q04.19017@newssvr25.news.prodigy. com...
> check the tandem valve is operating properly. if you take off the top
> off the throttle body, you can see it operating like a choke - it should
> open when you open the throttle.
>
> there's a piece of vacuum hose that runs from the tandem control valve
> [at the bottom of the throttle body] to the tandem diaphragm. if this
> is cracked & leaking, you'll have exactly the problems you describe
> because the tandem is not opening fast enough and the valve is choking
> off air supply to the engine during acceleration.
>
> Thien-Anh wrote:
> > Honda Civic DX 1990
> > I changed an used distributor about two years ago. I have a one-month

new
> > clutch and all my valves are adjusted. My water pump and timing belt

are
> > about two years. My car ran smoothly for the first week after adjusting

the
> > valves, but the same old problem occur after that. The problem is that

when
> > I press on the gas pedal unexpectedly, it does not accelerate

immediatelly.
> > Some times it does not even accelerate. The engine is reving, but no
> > acceleration. I took to so many mechanic, but no one knows what causes

it.
> > Any one has similar problem, please share. Thank you.
> >
> >
> >

>



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