Mechanics

PRE-CATALYTIC CONVERTER

2001 Kia Optima

Engine Performance problem
2001 Kia Optima 4 cyl Two Wheel Drive Automatic 114000 miles

Would the idle drop from 1000 to 0 and not stall while I am stopped if the problem was the pre-catalytic converter?
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Mcmahonr41
October 6, 2009.



Has the check engine light come on? It could be that, but there are many other things that could cause it.