No, on the 98.5-02's do not have that kind of high idle.
jadog, did they say what they thought might be the problem? I don't see why they wouldn't be able to just reflash the entire ECM...but I sappose they'd charge you for that...
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2006 Laramie QC SB 4X4 48RE
1994 Laramie RC LB 4X4 5spd
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