Instead of sparking the ignition when the piston is close to top dead center (when the air is compressed), that spark occurs as the piston is pulling away, when the air pressure is at its most turbulent, creating much faster ignition and more power.

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But when she turned off the ignition and turned it on again, and tried the starter with the choke out, the engine fired at once.

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That led to an ignition failure when the key was turned and had the potential to set the system catching fire, according to the Hartford Examiner.

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