Can you tell me how to fix evaporative controls on a Volvo?

Answer by  bcs (65)

First start by checking the gas cap make sure it is tight and that the seal is good. Then if you have an EVAP problem a code should be stored in the system pull the code than check for flow charts on DIAG

Answer by  James916 (539)

You might need to replace your purge canister or purge valve. The canister just unbolts and can be replaced, and the valve has a vaccume hose you need to remove then you can unbolt that as well.

Answer by  MechMan3 (885)

Depending on what system is failing, you should replace the EGR valve, the purge valve, the filters in the tank canister.