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1995 GMC Jimmy 1995 GMC Jimmy shaking while idle

Tiny
BRADIVES
  • MEMBER
  • 1995 GMC JIMMY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 112,000 MILES
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.
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Friday, November 5th, 2010 AT 12:52 PM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
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?
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Friday, November 5th, 2010 AT 4:08 PM
Tiny
BRADIVES
  • MEMBER
  • 2 POSTS
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.
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Friday, November 5th, 2010 AT 7:19 PM

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