Thread: '91 Jetta...idling high.
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Old 11-09-2007, 03:05 PM   #3
Rothart
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Re: '91 Jetta...idling high.
It's your idle air valve control (IAVC). It's either bad or there is a crack in one of the hoses going to it. When the car is idling, pinch one of the hoses and the idle should die back down a little.
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