temperature gauge quit working I replaced cooling temperature sensor still not working my display in vehicle reads engine hot ac off what is wrong with this vehicleRelated Questions2006 impala ssneed help on rear disc rotors..my new ebc sport rotors does not have a hole for the hex screw that was used on the original rotor.can i finish my install without the hex screw 2007 chevy impalawhat is evaporative emission system vent valveChevy Impala 2010no A\/C. ice possible. drive safe. what's wrong? how can I fix this?