Question about 1992 Mercury Topaz
I'm trying to turn down the idling on a 92 mercury topaz. I don't see anywhere to adjust it. Can anyone help?
I had the same problem. It was the idle air control valve. It sits on top of the intake just downstream from the throttle. There's a valve rod inside that gets worn over time and starts to stick. If that's what is causing your problem, you need to replace the unit.
Posted on Feb 09, 2009
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Posted on Jan 02, 2017
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