I have a2002 fORD F150.4.2 motor.As a rule it runs fine,but on 2 occasions it has fail to start.After it sits awhile it will start .Checked gas and looked under th hood.Saw nothing wrong.
As a rule the truck runs fine .On 2 occasions it has failed to start.It cranks,but
wiil not start.It has been suggested that it may be vapor lock.I,ve never had this
problem before so I am at aa loss.Please help