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It senses whether your crankshaft has packed up, and if so, warns you of such. Driving without a crankshaft is dangerous! It can lead to not going anywhere fast, and is often a sign of owning a Chrysler product.

The Crankshaft Sensor communicates to the computer what position the motor is in so it can fire the appropriate spark plugs and fuel injectors in a continuous cycle, or firing order.

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13y ago

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