Why does my car keep sputtering after I turn it off?
Why does my car keep sputtering after I turn it off? Because you just closed-off the throttle plates more than they were before, when you turn the key off now, the plates are closed-off more which will no longer allow enough fuel and air to pull through to cause any engine run-on or sputter. Why does my car not turn off when I Turn Off the engine? Dieseling is rarely a problem with fuel injection because the fuel delivery is shut down as soon as the switch is off. Unless it is specially equipped, a carburetor will deliver fuel as...