Such breakthroughs are most often caused by malfunction of system of ignition. Diagnostics and repair are necessary (see section 10 "Electric equipment"). In way it is possible to try to execute independently following:

– attentively examine podkapotny space. Switch off ignition and check reliability of fastening and landing of all wires and sockets at the coil of ignition and high-voltage wires. Launch the engine and listen to its work: a crash at breakdown of a high-tension current on "weight" weak, but distinct. In complete darkness it is well visible a spark at breakdown;

– replace spark plugs irrespective of their state and a run. Pay attention to a condition of candles: if it does not meet standard, perhaps, it is necessary to repair the engine or its systems.

Failure of the sensor of the provision of a butterfly valve which is built in a cover of throttle knot can be the specific cause of breakthroughs at the established movement of the Ford Fusion car.

The additional symptoms confirming malfunction of this sensor:

– uneven operation of the engine idling;

– decrease in the maximum engine capacity.

Cover of throttle knot non-demountable therefore it is not maintainable. If malfunction of the sensor is revealed (see. "Check and replacement of sensors of a control system of the engine"), replace throttle knot assembled with a cover.