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'93 Stealth runs rough at low RPM; stalls out

 
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JoelW

External


Since: Jan 10, 2008
Posts: 1



(Msg. 1) Posted: Thu Jan 10, 2008 11:02 am
Post subject: '93 Stealth runs rough at low RPM; stalls out
Archived from groups: alt>autos>mitsubishi (more info?)

HELP!

My base model '93 Stealth (~120K miles) has run rough at low RPMs, even
stalling out at stops for quite some time. Doesn't happen when cold, as
RPMs are higher. I did new plugs a few weeks ago and changed the oil and
air filter. After that work, things seemed no better, but no worse.

Now, two weeks later, the car is stalling out even when driving. Spark
plug wires "look" good. Could it be clogged injectors or fuel filter? I
think I can get to the fuel filter and change it. What about the
injectors? Does any of the fuel tank additive stuff actually work?

Thanks,

Joel
joel.weiner DeleteThis @jhuapl.edu


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JoelW
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Bhagat Gurtu

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Since: Mar 18, 2007
Posts: 45



(Msg. 2) Posted: Sat Jan 12, 2008 5:57 am
Post subject: Re: '93 Stealth runs rough at low RPM; stalls out [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On Thu, 10 Jan 2008 11:02:50 -0600, JoelW wrote:

>
> HELP!
>
> My base model '93 Stealth (~120K miles) has run rough at low RPMs, even
> stalling out at stops for quite some time. Doesn't happen when cold, as
> RPMs are higher. I did new plugs a few weeks ago and changed the oil and
> air filter. After that work, things seemed no better, but no worse.
>
> Now, two weeks later, the car is stalling out even when driving. Spark
> plug wires "look" good. Could it be clogged injectors or fuel filter? I
> think I can get to the fuel filter and change it. What about the
> injectors? Does any of the fuel tank additive stuff actually work?
>
> Thanks,
>
> Joel
> joel.weiner RemoveThis @jhuapl.edu

G'day Joel,

I think your car is terminal. Your best option is to park it in a quiet street and walk away
from it. Other Mitsubishi owners will appreciate the parts in it that
still work.

 >> Stay informed about: '93 Stealth runs rough at low RPM; stalls out 
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Gyzmologist

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Since: Nov 16, 2007
Posts: 16



(Msg. 3) Posted: Mon Jan 14, 2008 3:09 pm
Post subject: Re: '93 Stealth runs rough at low RPM; stalls out [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

JoelW wrote:
> HELP!
>
> My base model '93 Stealth (~120K miles) has run rough at low RPMs, even
> stalling out at stops for quite some time. Doesn't happen when cold, as
> RPMs are higher. I did new plugs a few weeks ago and changed the oil and
> air filter. After that work, things seemed no better, but no worse.
>
> Now, two weeks later, the car is stalling out even when driving. Spark
> plug wires "look" good. Could it be clogged injectors or fuel filter? I
> think I can get to the fuel filter and change it. What about the
> injectors? Does any of the fuel tank additive stuff actually work?
>
> Thanks,
>
> Joel
> joel.weiner.DeleteThis@jhuapl.edu
>
>

I had a '93 ES 5-speed and really enjoyed it.

My guess is a vacuum leak, maybe more than one. Remove and plug each
vacuum hose to see which one, if any, are leaking. If the brake booster
diaphragm goes that would easily kill the engine at idle.

Another possibility is the PCV valve. I have seen new defective brand x
parts fail that caused rough idle. Same routine, plug it to see if the
rough idle goes away.

--
Gyz

If a man is speaking in the middle of the forest and there is no woman
around to hear him, is he still wrong?
 >> Stay informed about: '93 Stealth runs rough at low RPM; stalls out 
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