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The engine began sputtering and then it went dead.
I sometimes sputter when I'm nervous. Please reword the question and tell me what year and engine and describe what you are doing with the car when "sputtering" occurs. Would help if you can think of additional description of what you mean by "sputtering".
Usually a sputtering muffler means that a new catalytic converter is needed. The sputtering sound is the car misfiring.
A cylinder misfiring can cause this sympton, check/replace spark plugs and plug wires. Also, sputtering and shaking can be caused by engine timing, have the timing checked. Another cause can be fouled fuel injectors on fuel injected vehicles.
Have the engine tuned.
You go to a mechanic!
If a car is sputtering at high RPMs, the fuel pressure needs to be checked. If the fuel pump can't keep up, this will cause sputtering. Also, the car should be checked to make sure the valves are adjusted properly.
It needs a tune up.
What kind of car?
There is no specific word for a car engine's sound.Someone might say their car, when the engine was operating smoothly, purred or was purring.Or, when the driver accelerates without moving: He revvedhis engine.When the engine makes abnormal sounds, the type of sound is described: the engine was ticking, knocking, sputtering, straining, etc.
There are a few symptoms when a car has a bad cam sensor. A few of these are sputtering, poor acceleration, and the engine stalling.