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GMC Suburban engine quits

Tiny
TOMNGIRLS
  • MEMBER
  • 1994 GMC SUBURBAN
  • V8
  • 4WD
  • AUTOMATIC
  • 240 MILES
1994 GMC suburban 4wd 5.7 L. Car quits randomly. Gages (speedometer, etc.) Randomly operate erratically. Usually just before the engine quits. Battery is good. When the engine is running, ammeter indicates alternator is good. It usually only happens when its cold.
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Friday, February 4th, 2011 AT 8:24 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
How long since a tune-up? Any applicable mil codes? If it only stalls at idle, clean the throttle-body and check the iac. You have to test when problem is ongoing. Intermittent issues can be hard to track down.
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Friday, February 4th, 2011 AT 8:34 PM

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