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Q:

high idol issue on 1994 Chrysler Concorde

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
my 94 chrysler con cord runs on highidol at all time could be the result of the intake gaskets being impropery installed
(1) Answer
Yes, this could do that. 1 way to check that is to look at the idle motor scan data, if it is maxed out to the minimum side of the scale, then there is often a vacuum leak.