A four hundred mile road
It’s like this: You’re driving down a four hundred mile road, cruising along at highway speeds. Everything is fine, when suddenly two engine cylinders go out.
The check engine light comes on. You know you need to stop and see if you can figure out what’s wrong. You pull over. You look under the hood, but you can’t spot anything. Confused, you try to start the engine again. Nothing. Dead. Not starting. You’re still three hundred fifty miles away from a town.
You remember passing a gas station a few miles back. You start walking. All the cars around you are flying by at highway speeds, like you were, but now you’re walking back, trying to figure out what to do.
You get to the gas station. You call a tow truck, but realize it’s going to take ages to arrive and cost $350 you don’t have. You buy an OBD-2 diagnostic tool so you can figure out what’s wrong with your car.
You walk back to
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