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With any other ice cream flavor, the car starts just fine

General Motors sends an engineer to investigate a second complaint.

The engineer observed –
Day 1 – driver orders chocolate ice cream and the car starts.
Day 2 – driver orders strawberry ice cream and the car starts.
Day 3 – driver orders vanilla ice cream and the car fails to start.

The engineer noted –
Time of day, type of gas used, driving time to pick up ice cream, and reproducible results.

Lightbulb!
Time became the problem. It took less time to pick up ice cream located in the front of the store.

The extra time taken to pick up other flavors allowed the car’s engine to cool down sufficiently to restart. When the driver picked up vanilla, the engine was too hot for the vapor lock to dissipate.

Cone of Silence
Cone of Silence

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