Continuity: In the scene where John Travolta's character is showing the young boy how to tighten the air filter top he makes sure the boy gives the wing nut an extra twist. Next he notices a car coming up the road and he leaves. When the FBI agent comes over and looks inside the hood of the truck, the air filter top is again off, the air filter is out and the carburetor is exposed.

Continuity: In the scene where Robert Duvall crosses the street to enter the hospital, torrential rain is drenching everything. After Duvall enters the hospital, the interior shot shows him and his raincoat completely dry.

Factual error: After John T's passing the caption comes up 1 year later and they are celebrating his birthday. The light flash happened on his birthday and took three months to be diagnosed and die. The caption should say 9 months later.