WHAT IS P20A0 ON F350 2011

Question

CODE KEEP ON COMMING IS THIS THE VALVE BESIDE THE CANISTER

Answer 1

P20A0 Reductant purge control valve circuit open load

The valve beside the canister, that would be the purge control solenoid, which is not the one in setting the code. The reductant purge control valve is part of the reductant pump. Use this diagram for you location for the RPCV, Also remember diesel fuel can leak into the reductant pump assembly which may have cause the code to set