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Old 03-11-2005, 23:41   #1 (permalink)
Tom Adkins
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Re: 98 Contour Chokes when Accellerating

RunBoris wrote:
> 1998 Ford Contour SE, 2.0L 4-Cylinder DOHC
>
> Ok, hereís a quick run-down of the past 2 weeks or so:
>
> Problem 1) Check Engine Light: Bad O2 Sensor
> Symptons) Slightly jerky driving
> Solution) Replaced both O2 sensors
> Problem Fixed!
>
> Problem 2) Check Engine Light: Misfire Cylinders 3 & 4
> Symptons) REALLY jerky driving
> Solution) Replaced all 4 spark plugs AND wires
> Problem Fixed! Runs better than ever!
>
> 3-4 days later...
> Problem 3) Check Engine Light: Ignition System Malfunction or Misfire
> Symtpons) When accelerating from a complete stop, RPMs drop to almost
> nil, sometimes (becoming more frequent) stalling out. Also, on the
> interstate when I hit around 75ish, I begin slowing down. If I try to
> punch the gas, it drops in RPMs, then when I let up a little, it
> downshifts and accellerates. Also, when giving it gas, it has a much
> louder/deeper roar/moan than it used to.
> And since Iím not very car-litterate, Iím gonna try hard to describe
> this next symptom... When I start my car, it seems like the engine is
> about 1/2 second off from everything else. I can here the starter
> finish itís thing, but donít actually here the engine immediately.
> The guy at auto zone said the engine code was a generic manufacturer
> code that could mean anything. He suggested something about my
> ignition coil and come ind of controller something-or-other.
>
> Any clues? Thanks!
>

I would suggest having someone other than the "guy at Auto Zone" diagnose your car.
Those folks are not technicians.
My suspicion is that your catalytic converter is plugged (either causing, or caused
by a rich fuel condition). I suspect this initially caused the "bad O2 sensor code".
The sensor was likely not "bad". It was reporting the rich fuel condition. The plugs
became fouled due to the rich condition and the new ones masked the problem
temporarily. This is not a diagnosis, but a hunch based on your description.
It could be that your misfire is caused by a plugged converter which is in turn
causing the rich condition, or that the misfire is causing a rich condition and loss
of power. It could also be something as simple as a plugged fuel filter causing a lean
condition, misfire and loss of power.
Before you throw any more parts at the problem, have it properly diagnosed.
Tom
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Old 03-11-2005, 23:42   #2 (permalink)
Jeff
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Re: Re: 98 Contour Chokes when Accellerating


"RunBoris" <UseLinkToEmail@New & Used Cars Forums - AutoForumz.com> wrote in
message news:4224c4fb$1_1@alt.athenanews.com...

(...)

> Anywho, is a plugged cat. converter something that can be easily
> unplugged?


No. The catalytic convertor has to be replaced.

The price on this job is in the $500 - $600 range. I googled catalyc
convertor and found one for your car for about $300. I think it is a three
hour job. Your shop will probably charge you more than $300 for the
catalytic convertor. You might be able to bring the catalytic convertor with
you, though. I think Ford paid my dealer around $800 to replace my
catalytic convertors on my V6 contour.

If your car has less than 80,000 mi on it, in which case is should be
covered under your emissions warranty.

You can also try talking to the local Ford dealer, esp. if bought the car
there. They might be willing be to cut a deal with you because it should
not have failed.

You might also be able to replace the catalyic convertor yourself, if you
are handy with tools, but it is a pain to get to.

Jeff


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Old 03-11-2005, 23:42   #3 (permalink)
pick one
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Re: 98 Contour Chokes when Accellerating

Install fuel pressure gauge and observe the pressure when the condition occurs.
Sounds like a low fuel pressure problem.
"RunBoris" <UseLinkToEmail@New & Used Cars Forums - AutoForumz.com> wrote in
message news:4224995e$1_4@alt.athenanews.com...
> 1998 Ford Contour SE, 2.0L 4-Cylinder DOHC
>
> Ok, here's a quick run-down of the past 2 weeks or so:
>
> Problem 1) Check Engine Light: Bad O2 Sensor
> Symptons) Slightly jerky driving
> Solution) Replaced both O2 sensors
> Problem Fixed!
>
> Problem 2) Check Engine Light: Misfire Cylinders 3 & 4
> Symptons) REALLY jerky driving
> Solution) Replaced all 4 spark plugs AND wires
> Problem Fixed! Runs better than ever!
>
> 3-4 days later...
> Problem 3) Check Engine Light: Ignition System Malfunction or Misfire
> Symtpons) When accelerating from a complete stop, RPMs drop to almost
> nil, sometimes (becoming more frequent) stalling out. Also, on the
> interstate when I hit around 75ish, I begin slowing down. If I try to
> punch the gas, it drops in RPMs, then when I let up a little, it
> downshifts and accellerates. Also, when giving it gas, it has a much
> louder/deeper roar/moan than it used to.
> And since I'm not very car-litterate, I'm gonna try hard to describe
> this next symptom... When I start my car, it seems like the engine is
> about 1/2 second off from everything else. I can here the starter
> finish it's thing, but don't actually here the engine immediately.
> The guy at auto zone said the engine code was a generic manufacturer
> code that could mean anything. He suggested something about my
> ignition coil and come ind of controller something-or-other.
>
> Any clues? Thanks!
>
> --
> Posted using the http://www.autoforumz.com interface, at author's request
> Articles individually checked for conformance to usenet standards
> Topic URL:
> http://www.autoforumz.com/Ford-Mecur...ict105510.html
> Visit Topic URL to contact author (reg. req'd). Report abuse:
> http://www.autoforumz.com/eform.php?p=490969



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Old 03-11-2005, 23:43   #4 (permalink)
RunBoris
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Posts: n/a
Re: Re: 98 Contour Chokes when Accellerating

"user1331" wrote:
> Install fuel pressure gauge and observe the pressure when the
> condition occurs.
> Sounds like a low fuel pressure problem.
> "RunBoris" <UseLinkToEmail@New & Used Cars Forums -
> AutoForumz.com> wrote in
> message news:4224995e$1_4@alt.athenanews.com...
> > 1998 Ford Contour SE, 2.0L 4-Cylinder DOHC
> >
> > Ok, here's a quick run-down of the past 2 weeks or so:
> >
> > Problem 1) Check Engine Light: Bad O2 Sensor
> > Symptons) Slightly jerky driving
> > Solution) Replaced both O2 sensors
> > Problem Fixed!
> >
> > Problem 2) Check Engine Light: Misfire Cylinders 3 & 4
> > Symptons) REALLY jerky driving
> > Solution) Replaced all 4 spark plugs AND wires
> > Problem Fixed! Runs better than ever!
> >
> > 3-4 days later...
> > Problem 3) Check Engine Light: Ignition System Malfunction

> or Misfire
> > Symtpons) When accelerating from a complete stop, RPMs drop

> to almost
> > nil, sometimes (becoming more frequent) stalling out. Also,

> on the
> > interstate when I hit around 75ish, I begin slowing down. If

> I try to
> > punch the gas, it drops in RPMs, then when I let up a

> little, it
> > downshifts and accellerates. Also, when giving it gas, it

> has a much
> > louder/deeper roar/moan than it used to.
> > And since I'm not very car-litterate, I'm gonna try hard to

> describe
> > this next symptom... When I start my car, it seems like the

> engine is
> > about 1/2 second off from everything else. I can here the

> starter
> > finish it's thing, but don't actually here the engine

> immediately.
> > The guy at auto zone said the engine code was a generic

> manufacturer
> > code that could mean anything. He suggested something about

> my
> > ignition coil and come ind of controller something-or-other.
> >
> > Any clues? Thanks!
> >
> > --
> > Posted using the http://www.autoforumz.com interface, at author's request
> > Articles individually checked for conformance to usenet

> standards
> > Topic URL:
> > http://www.autoforumz.com/Ford-Mecur...ict105510.html
> > Visit Topic URL to contact author (reg. req'd). Report

> abuse:
> > http://www.autoforumz.com/eform.php?p=490969


Well, I was going to take my car to a mechanic this moning, but now it
wonít start at all. I had a family member briefly look it over, and he
says there is gas going to the engine, and there is spark, but thatís
all he knew. I looked at a few places online to see if anyone else had
my problems and hereís what I found:

On Contours, the air will get stuck on defrost if there is no vacuum;
and my carís air has been stuck on defrost for a long time.

Also, Iíve read a lot about a mass airflow sensor. Could either of
those be related to my current problem? Thanks!
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Old 03-11-2005, 23:43   #5 (permalink)
fordly863@hotmail.com
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Posts: n/a
Re: 98 Contour Chokes when Accellerating

On Tue, 01 Mar 2005 12:25:57 -0500, Tom Adkins
<newton5@remove.comcast.net> wrote:

>RunBoris wrote:
>> 1998 Ford Contour SE, 2.0L 4-Cylinder DOHC
>>
>> Ok, hereís a quick run-down of the past 2 weeks or so:
>>
>> Problem 1) Check Engine Light: Bad O2 Sensor
>> Symptons) Slightly jerky driving
>> Solution) Replaced both O2 sensors
>> Problem Fixed!
>>
>> Problem 2) Check Engine Light: Misfire Cylinders 3 & 4
>> Symptons) REALLY jerky driving
>> Solution) Replaced all 4 spark plugs AND wires
>> Problem Fixed! Runs better than ever!
>>
>> 3-4 days later...
>> Problem 3) Check Engine Light: Ignition System Malfunction or Misfire
>> Symtpons) When accelerating from a complete stop, RPMs drop to almost
>> nil, sometimes (becoming more frequent) stalling out. Also, on the
>> interstate when I hit around 75ish, I begin slowing down. If I try to
>> punch the gas, it drops in RPMs, then when I let up a little, it
>> downshifts and accellerates. Also, when giving it gas, it has a much
>> louder/deeper roar/moan than it used to.
>> And since Iím not very car-litterate, Iím gonna try hard to describe
>> this next symptom... When I start my car, it seems like the engine is
>> about 1/2 second off from everything else. I can here the starter
>> finish itís thing, but donít actually here the engine immediately.
>> The guy at auto zone said the engine code was a generic manufacturer
>> code that could mean anything. He suggested something about my
>> ignition coil and come ind of controller something-or-other.
>>
>> Any clues? Thanks!
>>

> I would suggest having someone other than the "guy at Auto Zone" diagnose your car.
>Those folks are not technicians.


lmfao
you dont have a ticket either
lmfao
> My suspicion is that your catalytic converter is plugged (either causing, or caused
>by a rich fuel condition). I suspect this initially caused the "bad O2 sensor code".
>The sensor was likely not "bad". It was reporting the rich fuel condition. The plugs
>became fouled due to the rich condition and the new ones masked the problem
>temporarily. This is not a diagnosis, but a hunch based on your description.
> It could be that your misfire is caused by a plugged converter which is in turn
>causing the rich condition, or that the misfire is causing a rich condition and loss
>of power. It could also be something as simple as a plugged fuel filter causing a lean
>condition, misfire and loss of power.
> Before you throw any more parts at the problem, have it properly diagnosed.
> Tom


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Old 03-11-2005, 23:46   #6 (permalink)
pick one
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Re: Re: Re: 98 Contour Chokes when Accellerating


"RunBoris" <UseLinkToEmail@New & Used Cars Forums - AutoForumz.com> wrote in
message news:42267a7e$1_1@alt.athenanews.com...
> >lmfao
>>you dont have a ticket either
>>lmfao

>
> What? I don't understand that?
>
> And as far as checking the fuel, I'm not sure exactly how to explain
> it well... There was a line going into the engine, with a cap in the
> middle of the line... Kinda like the stem on a tire. He took the cap
> off, pressed the button, and gas squirted out. Anywho, I'll call a tow
> truck in the morning, so it really isn't realistic to consider
> repairing it myself. I've lost more time at work than it would cost to
> have it diagnosed. Oh well, thanks anyways!


That will not tell you what the fuel pressure is, only that there is fuel in the
line. Which many times is not enough to run the engine.


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