My car starts and shuts off.
It is possible and common on Malibu's to have theft deterrent issues. When the theft deterrent is activated, it cuts off most of the spark and injects just enough fuel to start the car for a second or two before it stalls. This is normally due to the ignition switch being faulty. The key has a coded chip that the switch detects. If the switch detects a key that it does not recognize, or no key at all, it will activate itself. Sometimes reprogramming the key works, but most of the time the switch will need to be replaced. I recommend having your vehicle's stalling issue inspected to confirm the cause of the problem and to have the right repairs made.
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