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Old 12-13-2013, 08:01 PM   #1
240c
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Member#: 122229
Join Date: Aug 2006
Chapter/Region: MWSOC
Location: Fostoria, Ohio
Vehicle:
1997 Outback
Blue/grey

Default Hesitation, Stumbling, and Bucking

Have a 02 Forester 2.5 n/a. I am trying to find the cause for a hesitation, stumbling and some times bucking. Its at all speeds. Thinking its fuel delivery problem. I had a different engine in the car and it was acting the same way. So I can rule out fuel injectors, and fuel regulator.
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Old 12-14-2013, 12:50 PM   #2
Buzzcow77
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Member#: 376142
Join Date: Dec 2013
Default Fuel Dampeners

I had a similar problem in my '07 Forester and it turned out to be the fuel dampeners. Try removing the back seat while the car is running and check for a noise increase in that area. The dampeners are located under that part of the car and you will hear a type of electric motor whining sound.
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Old 12-14-2013, 06:08 PM   #3
240c
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Join Date: Aug 2006
Chapter/Region: MWSOC
Location: Fostoria, Ohio
Vehicle:
1997 Outback
Blue/grey

Default

Never herd of a fuel dampener. I currently have both the fuel pump and the other access covers off. I was thinking it could be the line that runs from the other side of the tank, being that it is not a flat bottom tank. It may be not pulling the fuel out of the other part of the tank.
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Old 12-14-2013, 06:10 PM   #4
240c
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Member#: 122229
Join Date: Aug 2006
Chapter/Region: MWSOC
Location: Fostoria, Ohio
Vehicle:
1997 Outback
Blue/grey

Default

Quote:
Originally Posted by 240c View Post
Never herd of a fuel dampener. I currently have both the fuel pump and the other access covers off. I was thinking it could be the line that runs from the other side of the tank, being that it is not a flat bottom tank. It may be not pulling the fuel out of the other part of the tank.
just put some gas in with the car running and got a check engine light, I will get to auto zone and have them run the code.
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