i cannot start my 2011 cts-v what could it be?
Your car has a fuel or electrical problem; really could be either. It could be leaking fuel injectors flooding a hot engine. It could be a bad sensor: crankshaft position, cam position, or maybe even the engine coolant temperature. Might even involve ignition components, such as coil or igniter. Without actually seeing the car, it's not possible to say what the exact problem is. Why don't you take the car to a mechanic to diagnose. Or go to an auto parts store to get codes read and they probably won't charge you for this.
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