Revealing mistake: In the scene where the tanker explodes, we see the cabin of the truck getting blown up. Then in the next shot, we see no flames have even reached the cabin, and it explodes again, this time with flames.
Suggested correction: This is one of those incidences where they intentionally show the scene multiple times. We in fact watch the semi blow up three times.
Revealing mistake: Just before the tanker blows up near the end, there is a scene of it turning to hit a vehicle. The cable pulling the truck is visible.
Revealing mistake: When the inner workings of the T-800's damaged arm are shown, he uses a vise grip to pull one of the finger control rods. As he does, the finger uncurls a split second before the rod is pushed back.
Revealing mistake: When Kyle gets to the past and hits the floor his body changes - even his hair and the sweat on it, showing the stuntman.