1987 Oldsmobile Delta 88 87 Oldsmobile

Tiny
JONATHANDAVIS
  • MEMBER
  • 1987 OLDSMOBILE DELTA 88
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 24,000 MILES
What makes an idol go up and down changed spark plugs changed mass air flow sic. Changed a sincer nxt to the mass air. It dies sometimes when I come to a complete stop. It has died when once why I was driving it. When im driving at a steady speed it kinda jerks like its trying to die out or its flooding or something I hope this can help me really need to get it fixed
Saturday, February 15th, 2014 AT 9:02 AM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,797 POSTS
Sounds typical of a vacuum leak. If any air sneaks in that doesn't go through the mass air flow sensor, the Engine Computer won't know about and it won't command the right amount of fuel to go with it. Also check the air tube between the mass air flow sensor and throttle body. There can't be any leaks in that tube.
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Saturday, February 15th, 2014 AT 3:00 PM

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