SOME 2015-2016 F-150 VEHICLES EQUIPPED WITH A 5.0L ENGINE MAY EXHIBIT A HARD START, CRANK NO START, RUNS ROUGH AND/OR BLACK EXHAUST SMOKE CONCERN ASSOCIATED WITH BLOCK HEATER OPERATION IN COLD AMBIENT TEMPERATURES BELOW -18 CELSIUS (0 FAHRENHEIT). FOLLOW THE SERVICE PROCEDURE STEPS TO CORRECT THE CONDITION.
