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1994 Toyota Corina. Engine/revs problem

Tiny
ECRUM08
  • MEMBER
  • 1994 TOYOTA
When idling, the engine stutters with the rev going up and down rapidly and erratically. Revs only go up and down slightly (8-900 to 11-1200). I think the rev problem stems from the stuttering thing, which is more like a hi-cup. Happening about every 2-3 seconds. When it happens there is a very noticeable shudder of the car. Anyone got any ideas?
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Friday, May 19th, 2006 AT 7:47 AM

1 Reply

Tiny
LOSONE
  • MECHANIC
  • 1,616 POSTS
With those symptoms you have a major vacuum leak. It could be anything from a vacuum line to either the intake manifold or the brake booster. Have a mechanic do a smoke test. It is the easiest way to find a vacuum leak. Good luck
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Saturday, May 20th, 2006 AT 8:49 AM

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