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What could be wrong with a 1995 Camaro if the code said EGR valve 2 and 3 solenoid bad but after replacing them check engine light still comes on?

- Check the vacuum hoses to the EGR solenoid and make sure they are not cracked or disconnected.

- Check the electrical connection to the EGR solenoid and make sure it is clean and tight.

- Test the EGR valve to make sure it is opening and closing properly.