The cleanness and soundness of the spark plugs are very important for keeping the engine efficient and polluting emissions down.
The appearance of the spark plug, if examined by an expert eyes, is a good way of pinpointing a problem even if it has nothing to do with the ignition system.
Therefore, if the engine has problems, it is important to have the spark plugs checked at a Fiat Dealership.
The spark plugs must be changed at the times specified in the service schedule. Only use the type of plugs indicated. If the heat ratio is less than required or the life specified is not guaranteed, problems can arise.
See also:
Battery
The battery is of the “Limited maintenance” type: under normal conditions of
use the electrolyte does not need topping up with distilled water. ...
Quick Guide
Radio Controls
...
Without The Ignition Key
Special care must be taken when the vehicle is towed with the ignition in the
OFF/LOCK position. A dolly should be used under the front wheels if the rear wheels
are raised. Proper towing equipmen ...