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Fuel Tank Baffles Cause Stall?

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  #1  
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rickd2@comcast.net
 
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Default Fuel Tank Baffles Cause Stall? - 03-21-2007 , 11:17 AM






Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.


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  #2  
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PAPAGENE4JACK
 
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Default Re: Fuel Tank Baffles Cause Stall? - 03-21-2007 , 05:13 PM






Ya rick sounds like a fuel pump problem to me. never heard of loose
baffles, get a second opinion. Good luck papa


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  #3  
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kingdoodlesquat
 
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Default Re: Fuel Tank Baffles Cause Stall? - 03-21-2007 , 11:20 PM



Quote:
Ya rick sounds like a fuel pump problem to me. never heard of loose
baffles, get a second opinion. Good luck papa

If the check engine light stays on, it might be the throttle body mounted on
the engine if the car is continually driving like a bag of spanners. It's
fairly easy for a mechanic to reset the throttle body, but it's expensive to
get replaced, even if you get a second hand one. Try the cheaper options
first, e.g. fuel pump / filter, injector cleaners in the fuel, etc. Never
heard of the baffles problem. How much do you trust the mechanics?

hth kds :-)




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  #4  
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darthpup
 
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Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 08:44 AM



On Mar 21, 10:20 pm, "kingdoodlesquat"
<neggerschegg... (AT) negatseacatspam (DOT) com> wrote:
Quote:
Ya rick sounds like a fuel pump problem to me. never heard of loose
baffles, get a second opinion. Good luck papa

If the check engine light stays on, it might be the throttle body mounted on
the engine if the car is continually driving like a bag of spanners. It's
fairly easy for a mechanic to reset the throttle body, but it's expensive to
get replaced, even if you get a second hand one. Try the cheaper options
first, e.g. fuel pump / filter, injector cleaners in the fuel, etc. Never
heard of the baffles problem. How much do you trust the mechanics?

hth kds :-)
The fuel pump must be properly oriented or you will have problems. On
mine it must have the input port facing the 135 degree azimuth
direction with the front of the car being zero of course. Also could
be a bad fuel pump.



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  #5  
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Everett M. Greene
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 02:33 PM



rickd2 (AT) comcast (DOT) net writes:
Quote:
Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.
Sounds very much like the failed fuel tank pump failure
I had many years ago. Everything works fine until you
need fuel in larger quntities (going up a steep hill,
for instance) or it gets especially hot. Hard to
diagnose because all the usual test appear normal.


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  #6  
Old   
rickd2@comcast.net
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 07:00 PM



On Mar 22, 2:33 pm, moja... (AT) mojaveg (DOT) lsan.mdsg-pacwest.com (Everett M.
Greene) wrote:
Quote:
ric... (AT) comcast (DOT) net writes:
Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.

Sounds very much like the failed fuel tank pump failure
I had many years ago. Everything works fine until you
need fuel in larger quntities (going up a steep hill,
for instance) or it gets especially hot. Hard to
diagnose because all the usual test appear normal.- Hide quoted text -

- Show quoted text -

Thanks...I asked the tech about the fuel pump...he was confident it
was okay, and the problem was the loose baffles in the fuel tank
blocking fuel flow...the techs have been pretty good in the past. In
any case, I picked up the car today after the new fuel tank was
installed. No stalls, although it seems to run a little rough, and
idles around 800 rpm, which seems high. We'll see. I did contact Saab,
made my case, and they are reviewing, with a decision expected any
time.

Thanks again.



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  #7  
Old   
Rod H
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 07:30 PM



let us know if saab does anything for you. I would be upset if I had a car
less then 2 years old and had to spend 1g on loose baffles. I wonder what
purpose these baffles serve? that gets me thinking about removing baffles
from my saab.

good luck.

<rickd2 (AT) comcast (DOT) net> wrote

Quote:
On Mar 22, 2:33 pm, moja... (AT) mojaveg (DOT) lsan.mdsg-pacwest.com (Everett M.
Greene) wrote:
ric... (AT) comcast (DOT) net writes:
Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.

Sounds very much like the failed fuel tank pump failure
I had many years ago. Everything works fine until you
need fuel in larger quntities (going up a steep hill,
for instance) or it gets especially hot. Hard to
diagnose because all the usual test appear normal.- Hide quoted text -

- Show quoted text -


Thanks...I asked the tech about the fuel pump...he was confident it
was okay, and the problem was the loose baffles in the fuel tank
blocking fuel flow...the techs have been pretty good in the past. In
any case, I picked up the car today after the new fuel tank was
installed. No stalls, although it seems to run a little rough, and
idles around 800 rpm, which seems high. We'll see. I did contact Saab,
made my case, and they are reviewing, with a decision expected any
time.

Thanks again.




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  #8  
Old   
Dave Hinz
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 07:56 PM



On Thu, 22 Mar 2007 18:30:40 -0500, Rod H <rodhogg (AT) cox (DOT) net> wrote:
Quote:
let us know if saab does anything for you. I would be upset if I had a car
less then 2 years old and had to spend 1g on loose baffles. I wonder what
purpose these baffles serve? that gets me thinking about removing baffles
from my saab.
Well, in our water tankers for the fire department, they eliminate the
"slosh". Not bad when the tank is full, or empty (obviously) but let me
tell you, a fire tanker with a half-full tank, with 1800 gallons of
water sloshing back and forth, will get your attention. That's a LOT of
weight. I'd imagine the baffles in the Saab are more for keeping the
fuel near the pump than handling; 15 gallons is noticable but not THAT
much slosh.



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  #9  
Old   
Charles C.
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-22-2007 , 08:04 PM



rickd2 (AT) comcast (DOT) net wrote:
Quote:
Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.

No 3 year manufacturer's warranty in the US?

C.

--
Please remove _removeme_ to reply.


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  #10  
Old   
Fred W
 
Posts: n/a

Default Re: Fuel Tank Baffles Cause Stall? - 03-23-2007 , 03:43 AM



Charles C. wrote:
Quote:
rickd2 (AT) comcast (DOT) net wrote:

Hi. I'd appreciate any thoughts on this problem. I own a 2005 9-5
(50,500 miles). On a recent trip, the engine started surging, losing
power, the engine light came on, then the engine quit. After resting
the car a few minutes, it started up and we went another 30 miles
before the situation repeated. After another rest, we made it home.

The Saab dealer kept the car a few days, trying to replicate the
problem, which they finally were able to do yesterday. They diagnosed
it as loose baffles in the fuel tank, and will replace the tank
($1000.)

I trust the shop guys, but I have never heard of a tank causing this
kind of problem. Has anyone? Are there other more plausible causes?

I really appreciate any thoughts you may have.



No 3 year manufacturer's warranty in the US?

C.

Yes, there is. 3 Yr 50k miles. This should definitely have been
covered by warranty

--
-Fred W


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