Q: Truck starts emits a fire compression sound, then revolutions to max with stuttering and turns off. 2004 Chevrolet Silverado 1500

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Iam really afraid, I replaced the knock sensors and harness to my truck, reassembled everything turn on the truck it starts backfires, and selve revolutions to 6000 rpm after some seconds in max it sttuters and turns off itself.

My car has 100000 miles.
My car has an automatic transmission.

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