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Q: Truck dies and wont start till cools down already replaced coil

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91 silverado would die and not start till it cooled down. replaced ignition coil with new. still doing it. only use truck to plow snow.

The problem sounds like you may be losing spark signal to the ignition system. When the engine will not start you need to verify you are losing spark. If it is then you most likely have a failed ignition module in the distributor. Replace the module and then retest the system.

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