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Sure and stall in 98' Forrester

  
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hawker




Joined: Jun 08, 2008
Posts: 1



(Msg. 1) Posted: Sun Jun 08, 2008 12:42 pm
Post subject: Sure and stall in 98' Forrester
Hi, I wonder if anyone can help?

My '98 Forrester will start fine then run for a short period of time, surge slightly, then drop rpm till it stalls. No amount of gas pedal adjustment will stop the stall once the rise/drop in rpm begins. The vehicle will start again without incident until the process repeats itself again. The occurence of the whole cycle is intermittent, but occuring with more frequency. The fuel filter and pump have been inspected and pronounced serviceable.

Can anyone point my in the right direction?

Thanks

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Carl 1 Lucky Texan

External


Since: Jan 20, 2004
Posts: 985



(Msg. 2) Posted: Sun Jun 08, 2008 10:25 pm
Post subject: Re: Sure and stall in 98’_Forrester [Login to view extended thread Info.]
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hawker wrote:

> Hi, I wonder if anyone can help?
>
> My ’98 Forrester will start fine then run for a short period of time,
> surge slightly, then drop rpm till it stalls. No amount of gas pedal
> adjustment will stop the stall once the rise/drop in rpm begins. The
> vehicle will start again without incident until the process repeats
> itself again. The occurence of the whole cycle is intermittent, but
> occuring with more frequency. The fuel filter and pump have been
> inspected and pronounced serviceable.
>
> Can anyone point my in the right direction?
>
> Thanks
>

Is the CEL (mil) light on? Can you retrieve a code to post?

There may be several things that could cause this behavior - but the MAF
sensor comes to mind.

Carl


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Bob Noble1

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Since: Nov 29, 2003
Posts: 37



(Msg. 3) Posted: Sun Jun 08, 2008 11:23 pm
Post subject: Re:_Sure_and_stall_in_98'_Forrester [Login to view extended thread Info.]
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Sounds a lot like a plugged fuel filter to me.

--
Bob Noble
http://www.sonic.net/bnoble
"hawker" <none DeleteThis @000.com> wrote in message
> Hi, I wonder if anyone can help?
>
> My '98 Forrester will start fine then run for a short period of time,
> surge slightly, then drop rpm till it stalls. No amount of gas pedal
> adjustment will stop the stall once the rise/drop in rpm begins. The
> vehicle will start again without incident until the process repeats
> itself again. The occurence of the whole cycle is intermittent, but
> occuring with more frequency. The fuel filter and pump have been
> inspected and pronounced serviceable.
>
> Can anyone point my in the right direction?
>
> Thanks
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dnoyeB

External


Since: Jun 10, 2008
Posts: 1



(Msg. 4) Posted: Tue Jun 10, 2008 9:30 am
Post subject: Re: Sure and stall in 98' Forrester [Login to view extended thread Info.]
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On Sun, 08 Jun 2008 23:23:11 -0700, Bob Noble wrote:

> Sounds a lot like a plugged fuel filter to me.

Sounds more like the EGR Valve with the temperature sensitivity and all.


CL
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Dan

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Since: Jun 07, 2008
Posts: 3



(Msg. 5) Posted: Tue Jun 10, 2008 8:51 pm
Post subject: Re: Sure and stall in 98' Forrester [Login to view extended thread Info.]
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On Jun 10, 7:30 am, dnoyeB <as... DeleteThis @fake.net> wrote:
> On Sun, 08 Jun 2008 23:23:11 -0700, Bob Noble wrote:
> > Sounds a lot like a plugged fuel filter to me.
>
> Sounds more like the EGR Valve with the temperature sensitivity and all.  
>
> CL

I had a glitch with a Ford Ranger that baffled a lot of expensive
mechanics till we figured out that the catalytic converter was
clogged. It would start and run ok enough to get about thirty five and
a half feet down the road and then it would just die. I would let it
sit for a few minutes and then it would start and do the same thing,
repeatedly. Just another possibility. Good luck to you.
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Stewart DIBBS

External


Since: May 02, 2005
Posts: 313



(Msg. 6) Posted: Wed Jun 11, 2008 7:16 am
Post subject: Re: Sure and stall in 98' Forrester [Login to view extended thread Info.]
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"hawker" <none.TakeThisOut@000.com> wrote in message
news:1203828_6ca629f4e27bc47fbb25b24be2c381e5@autoboardz.com...
> My '98 Forrester will start fine then run for a short period of time,
> surge slightly, then drop rpm till it stalls.

When this happens, slowly open the gas cap. If you hear a SHHHHHH sound,
this is air pressure equalizing a partial vacuum in the gas tank. Another
test is running the car with the gas cap off: if the problem goes away this
suggests an issue with the evaporative system.

SD
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