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Old 06-21-2005, 09:04 PM   #1
iwantono
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Default Scarry die-out on Freeway

I have a legacy '93 wagon, 76k, well maintained.

I tried to accelerate from 55 mph to 65 on the freeway and suddenly the car slowed down in spite of my frantic throttle pumping.

In my panic, I cannot tell for sure whether the engine died out or not. Maybe it did not, because I do not recall having any problem to steer to the roadside and stop the car.

While waiting for AAA I restarted the car and moved it back and forth successfully (to my great surprise).

The subaru dealership tested the car intensively and tried it on the freeway up to 85 mph. They cannot find anything wrong.

Has anyone experienced such an occurance and what was the solution to the problem?
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Old 06-22-2005, 12:07 AM   #2
finse46
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I have not had this happen to me personally, but...
On the way back from Rapid City last year, me and a friend were driving our Leg's back to Denver (Mine a 01BE, his a 01BH?). Anyway, dude fuled up at a petrol station in the Black Hills, I had filled up in Rapid City. Half way through Wyoming, his car started to act very odd. Unable to accelerate, he fell quite far behind. I stoped and waited for him to catch up. After hearing the situation we traded cars for a couple of miles. Long story short, the engine was acting weak, only providing short bursts of power then practically stalling. He ended up having the car towed the last 150 miles to the dealer here in town. The dealer was unable to find any problems. To the best of my knowledge, the issue has not resurfaced. My guess is my buddy ended up with bad gas.
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Old 06-22-2005, 01:03 AM   #3
subiekid
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Dirty battery connectors? Did you gas up with the car running?
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Old 06-22-2005, 11:18 AM   #4
iwantono
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Quote:
Originally Posted by finse46
I have not had this happen to me personally, but...
On the way back from Rapid City last year, me and a friend were driving our Leg's back to Denver (Mine a 01BE, his a 01BH?). Anyway, dude fuled up at a petrol station in the Black Hills, I had filled up in Rapid City. Half way through Wyoming, his car started to act very odd. Unable to accelerate, he fell quite far behind. I stoped and waited for him to catch up. After hearing the situation we traded cars for a couple of miles. Long story short, the engine was acting weak, only providing short bursts of power then practically stalling. He ended up having the car towed the last 150 miles to the dealer here in town. The dealer was unable to find any problems. To the best of my knowledge, the issue has not resurfaced. My guess is my buddy ended up with bad gas.

Thanks finese46. I can see your point about bad gas. However this is the second time this happened over a period of say 12 months.
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Old 06-22-2005, 12:52 PM   #5
dirwin
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I've had something similar happen to my car ('96 2.2L OB with 185k miles). I know for certain that my engine has a bad valve, and every once in a while I'll get a tank of somewhat bad gas in it and when I get down to about 1/3 or maybe 1/4 of a tank the car kinda sputters a bit and thows a blinking check engine light. OBDII on my car says that it's a cylinder 3 misfire (the cylinder associated with the bad valve). I can put my clutch in and floor the throttle and it probably takes about 6-7 seconds for the engine to redline (as opposed to the normal maybe 2-3 seconds). If I try to drive in this condition I have to go down 2 gears from what I would consider normal (45mph in 2nd instead of 4th, for example). Shutting the car off and letting it sit for just 5 minutes fixes the symptoms every time, and if I run STP injector cleaner in my gas tank every third tank of gas I never get the problems at all. I bought the car just under a year ago and I've put about 20,000 miles on it. This is my family's 5th '96 or '97 2.2L Subaru Wagon, each of which has/had over 150,000 miles and the first one I've seen exhibit this particular problem.

Is there a pattern to the octane or brand of gas between the 2 times that this happened? How about any other similar circumstances (same elevation? ambient temperature? speed? engine RPM when it started? anything?) I'd second the bad gas motion made up above because I've had similar problems particularly with my questionable valve situation with regard to questionable fuel.

Last edited by dirwin; 06-22-2005 at 12:53 PM. Reason: reworded something that didn't make sense
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Old 06-22-2005, 04:22 PM   #6
Professor
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Quote:
Originally Posted by dirwin
I've had something similar happen to my car ('96 2.2L OB with 185k miles). I know for certain that my engine has a bad valve, and every once in a while I'll get a tank of somewhat bad gas in it and when I get down to about 1/3 or maybe 1/4 of a tank the car kinda sputters a bit and thows a blinking check engine light. OBDII on my car says that it's a cylinder 3 misfire (the cylinder associated with the bad valve). I can put my clutch in and floor the throttle and it probably takes about 6-7 seconds for the engine to redline (as opposed to the normal maybe 2-3 seconds). If I try to drive in this condition I have to go down 2 gears from what I would consider normal (45mph in 2nd instead of 4th, for example). Shutting the car off and letting it sit for just 5 minutes fixes the symptoms every time, and if I run STP injector cleaner in my gas tank every third tank of gas I never get the problems at all.
I am having a similar problem ('98 Legacy GT, 109k). I did the STP treatment deal for two fill-ups and it was fine for a couple weeks ... well it happended again. Mine just kind of stalls when coming to a stop. Also, when hammering through the gears, it will "buck", like its not getting enough fuel. I have to think this is fixable (ideas? bad valve, like mentioned above?) ... for now I guess i'll get another bottle of STP. Oh yeah, this all started happening around the same time that my speedometer/odom started randomly crapping out. Weird.

Dan

-end first post-
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Old 06-22-2005, 04:44 PM   #7
dirwin
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Quote:
Originally Posted by Professor
I am having a similar problem ('98 Legacy GT, 109k). I did the STP treatment deal for two fill-ups and it was fine for a couple weeks ... well it happended again. Mine just kind of stalls when coming to a stop. Also, when hammering through the gears, it will "buck", like its not getting enough fuel. I have to think this is fixable (ideas? bad valve, like mentioned above?) ... for now I guess i'll get another bottle of STP. Oh yeah, this all started happening around the same time that my speedometer/odom started randomly crapping out. Weird.

Dan

-end first post-
Does your car throw any check engine lights or anything like that when you have any of the bucking or the speedometer problems?
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Old 06-23-2005, 08:13 PM   #8
Professor
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Quote:
Originally Posted by dirwin
Does your car throw any check engine lights or anything like that when you have any of the bucking or the speedometer problems?
Yeah, check engine light ... but it seems to be related to the speedometer most of the time.

I did have a diagnostic run on it (not at Subaru) and they saw both a misfire and the speedometer issue.


Anybody else have issues like this? Solution?
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Old 06-23-2005, 09:50 PM   #9
iwantono
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Default Scarry die out on freeway

I imagine the speed sensing device is not only for the purpose of operating the odometer; maybe it initiates the operation of some other electronic gadgets such as gear-changing in an automatic car.

In my case, it is the fuel level-gauge which is deficient ( It shows half of the actual value).
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Old 06-24-2005, 10:07 AM   #10
Professor
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Quote:
Originally Posted by iwantono
I imagine the speed sensing device is not only for the purpose of operating the odometer; maybe it initiates the operation of some other electronic gadgets such as gear-changing in an automatic car.
I wondered if the problems could be related because both seemed to appear around the same time. My gear changing is manual though, so the stalling/bucking would seem to be a valve/fuel/etc. issue.

I'll probably just end up dropping it at Subaru to see what the they have to $ay.
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Old 06-24-2005, 12:17 PM   #11
Legacy777
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iwantono, have you checked the ECU for codes?

Procedure to check codes is on my site www.surrealmirage.com/subaru

I had a stalling issue that I tracked down to the MAF sensor.

I'd pull codes and go from there.
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