Help! I took my 2000 Kia to Advance Auto because the check engine light came on. 3 problems: 1) PO128 coolant temp, below thermostat, regulating temp 2) P0326 Knock Sensor 1, CKT range/Perf, Bank 1 or 1 sensor, and 3) P1500, Manf Cntrl Veh.Spd., Idle Speed control, Auxiliary Imputs
Any ideas on what these mean before I head off to a mechanic?
Thanks