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Old 05-02-2006, 07:30 PM   #1
neoncrazy101
Scooby Newbie
 
Member#: 113685
Join Date: Apr 2006
Vehicle:
1990 Legacy
blue

Default car vibrating

When my 1990 Legacy is at idle the engine idles around 500-600RPMs and the whole car shakes a little but if i put the tranny in N and i give it some gas till its around 1500RPMs it stops shaking and all. what could it be?
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Old 05-02-2006, 07:55 PM   #2
suby2low
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Member#: 82633
Join Date: Mar 2005
Chapter/Region: NESIC
Location: Claremont, nh
Vehicle:
'08 WRX STI
Silver

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sounds like a misfire at idle. check and see if it is running rich or lean. if it seems to be rich, check things like plugs, wires, etc... if it seems to be running lean, check for vacuum leak or something along those lines
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Old 05-02-2006, 08:21 PM   #3
Wiscon_Mark
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Member#: 94945
Join Date: Aug 2005
Chapter/Region: MWSOC
Location: Stevens Point, WI
Vehicle:
1995 Legacy OB 5MT
2003 Forester X 5MT

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get the darn plugs and plugwires checked.
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Old 05-02-2006, 08:51 PM   #4
IronMonkeyL255
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Member#: 38120
Join Date: Jun 2003
Chapter/Region: South East
Location: Greenville, SC
Vehicle:
1991 Rio Red
Legacy Turbo

Default

+1 for plugs and wires.

Mine felt similar until I had another plug go (so I was running on 2 cylinders).
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Old 05-02-2006, 09:15 PM   #5
Wiscon_Mark
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Member#: 94945
Join Date: Aug 2005
Chapter/Region: MWSOC
Location: Stevens Point, WI
Vehicle:
1995 Legacy OB 5MT
2003 Forester X 5MT

Default

Yeah, the plugs were shot, and the car felt like crap until it warmed up. It was getting so bad, that it would backfire like a mother during acceleration.
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Old 05-03-2006, 10:09 PM   #6
neoncrazy101
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Member#: 113685
Join Date: Apr 2006
Vehicle:
1990 Legacy
blue

Default

we just got the plugs and wires replaced like 2,000 miles ago and when i went to look at them (maybe a week or so ago when she began to sputter in a country road in the middle of no where) and they were all black and the wires are supposed to be red so. that could probably be the problem then since everyones saying to replace them so i shall do that
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Old 05-03-2006, 10:48 PM   #7
Wiscon_Mark
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Join Date: Aug 2005
Chapter/Region: MWSOC
Location: Stevens Point, WI
Vehicle:
1995 Legacy OB 5MT
2003 Forester X 5MT

Default

Quote:
Originally Posted by neoncrazy101
we just got the plugs and wires replaced like 2,000 miles ago and when i went to look at them (maybe a week or so ago when she began to sputter in a country road in the middle of no where) and they were all black and the wires are supposed to be red so. that could probably be the problem then since everyones saying to replace them so i shall do that
Yeah, same problem. the plugs were just fried when I checked 'em.
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