Got An 04 That Cranks Over Like An Engine That Is Out Of Time, Will Not Start. Good Fuel Pressure To The Injection Pump. Truck Has Had A Slight Miss Lower Rpm's For Quite A While, Higher Rpm's (normal Driving) Miss/stumble Goes Away. Will A Bad Injector (or Multiple) Cause An Engine To Crank Over This Way? Driver Saw A Puff Of White Smoke And Heard A "ticking Noise" When The Truck Quit. Has Not Started Since. Any Help Appreciated.