1995 GMC Jimmy 1995 gmc jimmy shaking while idle

1995 GMC JIMMY
112,000 MILES • 6 CYL • 2WD • AUTOMATIC
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BRADIVES
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1995 gmc jimmy, will shake or vibrate while sitting at stoplight, also seems to stutter while driving at slower speeds (25 mph or so). when it stutters the tachometer "bounces" 100 rph or so. also shakes or vibrates at higher speeds, 65-70 mph. also, when shifted into reverse, seems to lower power sometimes.
Nov 5, 2010 at 12:52 PM
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JDL
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How long since a tune-up? Misfire at idle is noticeable. Highway speed, except for loss of power, you may not feel it? Any applicable codes?
Nov 5, 2010 at 4:08 PM
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BRADIVES
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had the oil changed last week tech stated that the tranny fluid needs to be flushed. checked it this morning and noticed some vac hoses might be ruined and need to be replaced.
Nov 5, 2010 at 7:19 PM
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