Before you spend any money on a pedal assembly, have a look for fuel at the filter socket and, if that's wet, than at the fuse box sockets. If the fuel has migrated around the engine harness, that's more likely ot be your problem than the accelerator pedal. The pedals have multiple tracks/wipers, so there should be a fault code suggesting something like a recopy fault or a coherence fault if it has a problem. I should add that some problems blamed on pedal units can be due to the left foot braking syndrome, sometimes not done consciously.
They are a very pleasant car to drive, but you obviously need it to be working properly.
They are a very pleasant car to drive, but you obviously need it to be working properly.