(Afterfiring (reciprocating Engines

A condition that can exist in a reciprocating engine when an excessive amount of fuel is taken into the cylinders. Some of this fuel is still burning when it is forced out of the cylinders, and it continues to burn in the exhaust system. Afterfiring is sometimes called torching. or in turbine engines : Fire that continues in the combustor after the engine is shut down. Afterfiring is normally caused by a malfunctioning manifold drain valve.