1994 c4 LT1 idle problem
(Warwick, R.I. USA)
I have a 1994 c4 w.lt-1, milagge 107,000 once the car gets up to operating temp the idle starts to jump around when in gear or in neutral. It has an automatic trans. The idle has gone as high as 1100 to 1200 rpm. There are no dtc codes stored and no check engine light. Please help, what can cause this?