do you guys replace EGR valves on this car and how much will it cost on 1996 Cadillac Seville STS

car was repaired at dealership this is all that is left that needs to be done

Asked by for the 1996 Cadillac Seville STS
2 answers
depending on part number the cost is approx 400.00
If you or a friend are just a little car savvy, part @ NAPA about 170.00. To install, two bolts and a wire connector. Clean old gasket off of engine and replace the gasket, comes with the egr valve.