SYMPTOMS OF A BAD GLOW PLUG P0671 P0672 P0673 P0674

In this video I explain all the symptoms of a bad glow plug. If you have a diesel engine and the glow plug warning light starts to flash, this is an indication of a failed glow plug causing an engine misfire at cold start.
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My 2004 chevy silverado shut off while driving and had the code for the crankshaft sensor. So i replaced the sensor (Ac delco) and now the trucks starts right up but when it reaches temperature it shuts off and don’t start until it cools down. Any idea if the sensor if defective?