The analysis problem code P0006 has different meanings and the meaning is based on the company of the cars and models. You need to know the meaning of the code and use the manual of the vehicle. it is also necessary to know the model and manufacturer of the car. The P0006 Code explains Fuel Shutoff Valve a Control Circuit Low. It is not necessary to change any part of the car. The crankshaft sensor signals the fuel injection computer or/and the explosion control when the cylinders are firing. This reasons the burst coil to offer a spark and the injector to insert fuel into individual cylinder at the right time.