Episode 32 of "MacGyver"
s02e10 Three For the Road

A retired actor and his wife stops at a motel on the way to Los Angeles. They are rescued by MacGyver from a drunkard who nearly makes a mark on their car. Mac is supposed to meet a mobster-turned-informant there, but the meeting goes wrong. The mob shows up and kill Mac´s friend before he can give Mac what he promised. Instead the bag lands in the old couple´s car, where the old actor finds it and discovers money inside of it. Later, the couple pick up Mac, after Mac´s car has broken down. But the mobsters have deduced who has the money and ram the car. Mac makes a few adjustments to the car to buy them some time, but sooner or later they are going to be caught...