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Why after car is warm looses spark?

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Anonymous

15y ago
Updated: 8/17/2019

Frequently this is caused by a faulty crank angle sensor. As the engine heats up the sensor goes open circuit and there is no pulse to trigger the spark or the injectors. When it cools enough the circuit reforms and the engine will run for a while.

Replace the crank angle sensor and the problem should go away.

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Wiki User

15y ago

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