1991 Saturn SC1 idles high, then shuts off

Tiny
TRANKS
  • MEMBER
  • 1991 SATURN SC1
Electrical problem
1991 Saturn SC1 4 cyl Front Wheel Drive Automatic 181.00 miles

engine ides high at times and then it will die, and it smokes, but smells like carbon, ive changed out the sensors and still does the same, so I thought id ask you guys and see what you thought
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Wednesday, April 7th, 2010 AT 9:22 PM

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Tiny
SATURNTECH9
  • EXPERT
What sensors did u change?When it idles high and dies will it restart right away?Or do u have to wait for it to restart?I would check for a vaccuum leak starting with the hose that goes from the intake manifold to the pcv they get holes in them and leak vaccuum. Use some carb spray spray around any where u could have a leak at idle if it runs rough dies or raise up idle u have a leak there. Let me know what u find.
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Wednesday, April 7th, 2010 AT 10:01 PM

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