Charcoal Canister, Fuel Pressure Regulator, Purge Valve, P0440 Post date Updated May 30th, 2025 Post author By Matt Post categories In Volvo 850, Volvo C70, Volvo Emissions and Fuel Economy, Volvo S70 & V70 1998-2000, Volvo V70 R 1998-2000, Volvo XC70 & V70XC 2 Comments on Charcoal Canister, Fuel Pressure Regulator, Purge Valve, P0440