The engine P267C Code is found online and it is easy to solve. The car engine is necessary to solve to fix the car engine. You need to check the car engine and those are fuel Temperature Sensor B Circuit Range or Performance, cylinder 4 Contribution/Balance Fault and Ignition Coil A Primary/Secondary Circuit Malfunction. The computer notices the can is empty when it senses a leaner condition and it restarts normal fuel delivery. Some car manufacturers then close the vent solenoid but leave the purge solenoid open. That creates a vacuum through the entire fuel storage system. Once the right vacuum is reached, it closed the purge solenoid and waits to see if the void holds.